Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{PMFA_1962__7_4_a1, author = {Urban, Alois}, title = {Geometrie pl\'astv{\'\i} v rovin\v{e}}, journal = {Pokroky matematiky, fyziky a astronomie}, pages = {193--210}, publisher = {mathdoc}, volume = {07}, number = {4}, year = {1962}, zbl = {0128.16102}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/PMFA_1962__7_4_a1/} }
Urban, Alois. Geometrie pláství v rovině. Pokroky matematiky, fyziky a astronomie, Tome 07 (1962) no. 4, pp. 193-210. http://geodesic.mathdoc.fr/item/PMFA_1962__7_4_a1/