@article{PMFA_1956_1_3_a3, author = {Kepr, Bo\v{r}ivoj}, title = {P\v{r}{\'\i}sp\v{e}vek k proniku dvou ploch}, journal = {Pokroky matematiky, fyziky a astronomie}, pages = {242}, year = {1956}, volume = {1}, number = {3}, language = {cs}, url = {http://geodesic.mathdoc.fr/item/PMFA_1956_1_3_a3/} }