@article{1183486559, author = {Winger, R. M.}, title = {Gauss and non-euclidean geometry}, journal = {Bull. Amer. Math. Soc.}, volume = {31}, number = {9-10}, year = {1925}, pages = { 356-358}, language = {en}, url = {http://dml.mathdoc.fr/item/1183486559} }
Winger, R. M. Gauss and non-euclidean geometry. Bull. Amer. Math. Soc., Tome 31 (1925) no. 9-10, pp. 356-358. http://gdmltest.u-ga.fr/item/1183486559/