{"query": "Hopf 1951 — Über die Anfangswertaufgabe für die hydrodynamis", "count": 20, "results": [{"id": "card_chain_hopf_1951", "title": "Hopf 1951 — Über die Anfangswertaufgabe für die hydrodynamischen Grundgleichungen", "shelf": "codex", "surface": "secular", "snippet": "E. Hopf (1951). Über die Anfangswertaufgabe für die hydrodynamischen Grundgleichungen. Math. Nachr. 4 (1951) 213–231. DOI 10.1002/mana.3210040121. Canonical: https://doi.org/10.1002/mana.3210040121. C", "authority_tier": "reference", "source": "E. Hopf (1951), Math. Nachr. 4 (1951) 213–231", "readable": false, "generated": false}, {"id": "card_src_book_45544", "title": "Die Aquarell-Malerei Bemerkungen über die Technik derselben in ihrer Anwendung auf die Landschafts-Malerei. Dritte Auflage. — Max Schmidt", "shelf": "gutenberg", "surface": "secular", "snippet": "Die Aquarell-Malerei Bemerkungen über die Technik derselben in ihrer Anwendung auf die Landschafts-Malerei. Dritte Auflage., by Max Schmidt (in de). Subjects: Watercolor painting -- Technique. Read th", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "readable": true, "generated": false}, {"id": "card_src_book_32201", "title": "Geologische Beobachtungen über die Vulcanischen Inseln Mit kurzen Bemerkungen über die Geologie von Australien und dem Cap der guten Hoffnung — Charles Darwin", "shelf": "gutenberg", "surface": "secular", "snippet": "Geologische Beobachtungen über die Vulcanischen Inseln Mit kurzen Bemerkungen über die Geologie von Australien und dem Cap der guten Hoffnung, by Charles Darwin (in de). Subjects: Beagle Expedition (1", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "readable": true, "generated": false}, {"id": "card_src_book_8375", "title": "Der Streit über die Tragödie — Theodor Lipps", "shelf": "gutenberg", "surface": "secular", "snippet": "Der Streit über die Tragödie, by Theodor Lipps (in de). Subjects: Psychology, Applied; Tragedy. Read the full text (public domain): https://www.gutenberg.org/ebooks/8375", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "readable": true, "generated": false}, {"id": "card_src_book_77850", "title": "Über die spezielle und die allgemeine Relativitätstheorie — Albert Einstein", "shelf": "gutenberg", "surface": "secular", "snippet": "Über die spezielle und die allgemeine Relativitätstheorie, by Albert Einstein (in de). Subjects: Relativity (Physics). Read the full text (public domain): https://www.gutenberg.org/ebooks/77850", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "readable": true, "generated": false}, {"id": "card_theory_double_entry_accounting_identity", "title": "Double-entry accounting identity (A = L + E)", "shelf": "theories", "surface": "secular", "snippet": "Double-entry accounting identity (A = L + E) — an engine domain that can touch it: finance. Calibration: seals — the identity is checkable to the penny. Assets equal Liabilities plus Equity. Every tra", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_src_book_34032", "title": "Über die Picard'schen Gruppen aus dem Zahlkörper der dritten und der vierten Einheitswurzel — Otto Bohler", "shelf": "gutenberg", "surface": "secular", "snippet": "Über die Picard'schen Gruppen aus dem Zahlkörper der dritten und der vierten Einheitswurzel, by Otto Bohler (in de). Subjects: Geometry, Non-Euclidean; Picard groups; Algebraic fields. Read the full t", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "readable": true, "generated": false}, {"id": "card_src_book_35826", "title": "Die doppelköpfige Nymphe Aufsätze über die Literatur und die Gegenwart — Kasimir Edschmid", "shelf": "gutenberg", "surface": "secular", "snippet": "Die doppelköpfige Nymphe Aufsätze über die Literatur und die Gegenwart, by Kasimir Edschmid (in de). Subjects: German literature -- 20th century -- History and criticism. Read the full text (public do", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "readable": true, "generated": false}, {"id": "card_src_lex_h4191", "title": "H4191 — מוּת (mut): to die", "shelf": "lexicon", "surface": "secular", "snippet": "מוּת (mut), Strong's H4191: to die. 1) to die, kill, have one executed 1a)(Qal) 1a1) to die 1a2) to die (as penalty), be put to death 1a3) to die, perish (of a nation) 1a4) to die prematurely (by negl", "authority_tier": "reference", "source": "STEPBible TBESH/TBESG — Extended Strong's lexicon (CC-BY, Tyndale House)", "readable": false, "generated": false}, {"id": "card_src_book_25783", "title": "Experimentelle Untersuchungen über die Frage »Ist die Furcht vor Krankheitsübertragung durch das Telephon berechtigt«? 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Read the full text (public domain): https://www.gutenberg.org/ebooks/78808", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "readable": true, "generated": false}, {"id": "card_src_book_38755", "title": "Über die Vulkane im Monde — Immanuel Kant", "shelf": "gutenberg", "surface": "secular", "snippet": "Über die Vulkane im Monde, by Immanuel Kant (in de). Subjects: Moon. Read the full text (public domain): https://www.gutenberg.org/ebooks/38755", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "readable": true, "generated": false}, {"id": "card_src_book_27532", "title": "Betrachtungen über die Grundlagen der Philosophie — René Descartes", "shelf": "gutenberg", "surface": "secular", "snippet": "Betrachtungen über die Grundlagen der Philosophie, by René Descartes (in de). Subjects: Philosophy. Read the full text (public domain): https://www.gutenberg.org/ebooks/27532", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "readable": true, "generated": false}, {"id": "card_src_book_52628", "title": "Über die weiblichen Brüste — Johann Georg Klees", "shelf": "gutenberg", "surface": "secular", "snippet": "Über die weiblichen Brüste, by Johann Georg Klees (in de). Subjects: Breast; Breast -- Diseases. Read the full text (public domain): https://www.gutenberg.org/ebooks/52628", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "readable": true, "generated": false}, {"id": "card_src_book_9950", "title": "Abhandlungen über die Fabel — Gotthold Ephraim Lessing", "shelf": "gutenberg", "surface": "secular", "snippet": "Abhandlungen über die Fabel, by Gotthold Ephraim Lessing (in de). Subjects: Literature -- Criticism and interpretation; Aesthetics; Fables. Read the full text (public domain): https://www.gutenberg.or", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "readable": true, "generated": false}, {"id": "card_src_book_33491", "title": "Die Festungen gegenüber den gezogenen Geschützen — M. von (Moritz) Prittwitz", "shelf": "gutenberg", "surface": "secular", "snippet": "Die Festungen gegenüber den gezogenen Geschützen, by M. von (Moritz) Prittwitz (in de). Subjects: Fortification. Read the full text (public domain): https://www.gutenberg.org/ebooks/33491", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "readable": true, "generated": false}, {"id": "card_src_book_37033", "title": "Über die Schönheit häßlicher Bilder. Ein Vademecum für Romantiker unserer Zeit — Max Brod", "shelf": "gutenberg", "surface": "secular", "snippet": "Über die Schönheit häßlicher Bilder. Ein Vademecum für Romantiker unserer Zeit, by Max Brod (in de). Subjects: Music. Read the full text (public domain): https://www.gutenberg.org/ebooks/37033", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "readable": true, "generated": false}, {"id": "card_src_book_53483", "title": "Versuch über die physische Erziehung der Kinder — Ferdinand Wurzer", "shelf": "gutenberg", "surface": "secular", "snippet": "Versuch über die physische Erziehung der Kinder, by Ferdinand Wurzer (in de). Subjects: Child rearing; Children -- Health and hygiene. Read the full text (public domain): https://www.gutenberg.org/ebo", "authority_tier": "reference", "source": "Project Gutenberg (public domain)", "readable": true, "generated": false}, {"id": "card_src_lex_h1478", "title": "H1478 — גָּוַע (ga.va): to die", "shelf": "lexicon", "surface": "secular", "snippet": "גָּוַע (ga.va), Strong's H1478: to die. 1) to expire, die, perish, give up the ghost, yield up the ghost, be dead, be ready to die 1a) (Qal) to expire, die, be about to die", "authority_tier": "reference", "source": "STEPBible TBESH/TBESG — Extended Strong's lexicon (CC-BY, Tyndale House)", "readable": false, "generated": false}, {"id": "card_src_book_37066", "title": "Die Inzestscheu Über einige Übereinstimmungen im Seelenleben der Wilden und der Neurotiker I — Sigmund Freud", "shelf": "gutenberg", "surface": "secular", "snippet": "Die Inzestscheu Über einige Übereinstimmungen im Seelenleben der Wilden und der Neurotiker I, by Sigmund Freud (in de). Subjects: Taboo; Incest. 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