A’Campo-Neuen, Annette; Papadopoulos, Athanase Notes on Eduard Study’s paper “Contributions to non-Euclidean geometry. I”. (English) Zbl 1415.51023 Alberge, Vincent (ed.) et al., Eighteen essays in non-Euclidean geometry. Zürich: European Mathematical Society (EMS). IRMA Lect. Math. Theor. Phys. 29, 253-262 (2019). MSC: 51M10 PDF BibTeX XML Cite \textit{A. A'Campo-Neuen} and \textit{A. Papadopoulos}, IRMA Lect. Math. Theor. Phys. 29, 253--262 (2019; Zbl 1415.51023) Full Text: DOI
Study, Eduard Contributions to non-Euclidean geometry. I. (English) Zbl 1415.51026 Alberge, Vincent (ed.) et al., Eighteen essays in non-Euclidean geometry. Zürich: European Mathematical Society (EMS). IRMA Lect. Math. Theor. Phys. 29, 237-251 (2019). MSC: 51M10 PDF BibTeX XML Cite \textit{E. Study}, IRMA Lect. Math. Theor. Phys. 29, 237--251 (2019; Zbl 1415.51026) Full Text: DOI