Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{ARM_1969__5_3_a1, author = {Guggenheimer, H.}, title = {Notes on geometry}, journal = {Archivum mathematicum}, pages = {125--130}, publisher = {mathdoc}, volume = {05}, number = {3}, year = {1969}, mrnumber = {0290247}, zbl = {0235.53001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1969__5_3_a1/} }
Guggenheimer, H. Notes on geometry. Archivum mathematicum, Tome 05 (1969) no. 3, pp. 125-130. http://geodesic.mathdoc.fr/item/ARM_1969__5_3_a1/