Article Izotov, G.E.; (1992)
K istorii opublikovaniia N.I. Lobachevskii sochinenii po “boobrazhaemoi” geometrii. (On the publishing history of Lobachevskii's work on “imaginary” geometry) (/isis/citation/CBB000051064/)

Article Rossi, Francesco Saverio; (1983)
Agli albori della geometria non euclidea: Nicola J. Lobačevskij (/isis/citation/CBB000014366/)

Thesis Braver, Seth Philip; (2007)
Lobachevski Illuminated: Content, Methods, and Context of the “Theory ofParallels” (/isis/citation/CBB001560945/)

Article Tanács, János; (2009)
Grasping the Conceptual Difference between János Bolyai and Lobachevskii's Notions of Non-Euclidean Parallelism (/isis/citation/CBB000932085/)

Article Fili, Kristina; (1992)
“Boobrazhaemaia” geometriia Lobacheskogo i Russkii avangard. (Lobachevskii's “imaginary” geometry and the Russian avant-garde) (/isis/citation/CBB000050964/)

Article Demirtas, Inanç Akdenizci; (2005)
Salih Zeki Introduces Lobachevsky's Geometry: Two Conferences in 1915 (/isis/citation/CBB000931405/)

Article Cicenia, Salvatore; (1994)
I problemi fondazionali della geometria in N.I. Lobacevskij (/isis/citation/CBB000057850/)

Article Daniels, Norman; (1975)
Lobachevsky: Some anticipations of later views on the relation between geometry and physics (/isis/citation/CBB000016635/)

Article Medvedev, F. A.; (1975)
Ob opredelenii poniatiia funktsii u Lobachevskogo i Dirikhle. (The definition of function by Lobachevski and Dirichlet.) (/isis/citation/CBB000012344/)

Article Cicenia, Salvatore; (2004)
La Geometria Lobacevskiana e la Filosofia della Matematica di Auguste Comte (/isis/citation/CBB000501347/)

Thesis Richards, Joan L.; ()
Non-Euclidean geometry in 19th-century England: A study of changing perceptions of mathematical truth (/isis/citation/CBB000006968/)

Article Jemma Lorenat; (2022)
An Okapi Hypothesis: Non-Euclidean Geometry and the Professional Expert in American Mathematics (/isis/citation/CBB066890396/)

Article Boi, Luciano; (1996)
Les géométries non euclidiennes, le problème philosophique de l'espace et la conception transcendantale: Helmholtz et Kant, les néo-kantiens, Einstein, Poincaré et Mach (/isis/citation/CBB000072476/)

Book Reichardt, Hans; (1976)
Gauss und die nichteuklidische Geometrie (/isis/citation/CBB000027166/)

Book Reichardt, Hans; (1985)
Gauss und die Anfänge der nicht-euklidischen Geometrie. Mit Originalarbeiten von J. Bolyai, N.I. Lobatschewski und F. Klein (/isis/citation/CBB000031390/)

Article Amanda Paxton; (2021)
The Hard Math of Beauty: Gerard Manley Hopkins and "Spectral Numbers" (/isis/citation/CBB150662150/)

Article Christiansen, Andreas; (2009)
Bernt Michael Holmboe (1795--1850) and His Mathematics Textbooks (/isis/citation/CBB000931934/)

Article Capelo, António Cândido; Ferrari, Mario; (1982)
La “cuffia” di Beltrami: Storia e descrizione (/isis/citation/CBB000000126/)

Article Martins, Roberto de Andrade; (1995)
A influência das geometrias não-euclidianas no pensamento físico de século XIX (/isis/citation/CBB000068213/)

Article Stump, David; (1991)
Poincaré's thesis of the translatability of Euclidean and non-Euclidean geometries (/isis/citation/CBB000052800/)