Chapter Hawkins, Thomas; (1983)
Non-Euclidean geometry and Weierstrassian mathematics: The background to Killing's work on Lie algebras

Chapter Hawkins, Thomas; (1987)
Non-Euclidean geometry and Weierstrassian mathematics: The background to Killing's work on Lie algebras

Book Alberto Cogliati; (2024)
La geometria non euclidea. Una breve storia dall’antichità a Poincaré

Chapter Giulia Giannini; (2009)
Poincaré, la nozione di gruppo e il Programma di Erlangen di F. Klein

Article Cerroni, Cinzia; (2007)
The Contributions of Hilbert and Dehn to Non-Archimedean Geometries and Their Impact on the Italian School

Article Krol, Z.; (2006)
Ancient Geometry and Plato's Philosophy on the Base of Pappus' “Comment on the Xth Book of Elements of Euclid”

Book Hawkins, Thomas; (2000)
Emergence of the theory of Lie groups: An essay in the history of mathematics, 1869-1926

Chapter Jeremy Gray; (2015)
A Note on Lines and Planes in Euclid’s Geometry

Article Chen, Huiyong; (2011)
Study on the Approach to Realize the Thought of Gauss' Non-Euclidean Geometry

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

Article Yan, Chen-guang; Deng, Ming-li; (2009)
Riemann's Idea of Geometry and its Impact on the Theory of Relativity

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

Book Gray, Jeremy J.; (2004)
János Bolyai, Non-Euclidean Geometry, and the Nature of Space

Article Kjeldsen, Tinne Hoff; Carter, Jessica; (2012)
The Growth of Mathematical Knowledge---Introduction of Convex Bodies

Article Abardia, Judit; Reventós, Agustí; Rodríguez, Carlos J.; (2012)
What Did Gauss Read in the Appendix?

Book Voelke, Jean-Daniel; (2005)
Renaissance de la géométrie non euclidienne entre 1860 et 1900

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

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

Article Alberto Cogliati; (2016)
Schouten, Levi-Civita and the Notion of Parallelism in Riemannian Geometry

Article Ambrosi, Gerhard Michael; (2012)
Pre-Euclidean Geometry and Aeginetan Coin Design: Some Further Remarks