Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1957__7_4_a1, author = {Urban, Alois}, title = {Zv\'y\v{s}en{\'\i} styku k\v{r}ivek prom{\'\i}t\'an{\'\i}}, journal = {Mathematica slovaca}, pages = {207--234}, publisher = {mathdoc}, volume = {07}, number = {4}, year = {1957}, mrnumber = {0106483}, language = {cz}, url = {http://geodesic.mathdoc.fr/item/MASLO_1957__7_4_a1/} }
Urban, Alois. Zvýšení styku křivek promítání. Mathematica slovaca, Tome 07 (1957) no. 4, pp. 207-234. http://geodesic.mathdoc.fr/item/MASLO_1957__7_4_a1/