@misc{10_21136_CPM_1959_117318, title = {Zpr\'avy}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky}, pages = {489--504}, year = {1959}, volume = {84}, number = {4}, doi = {10.21136/CPM.1959.117318}, language = {cs}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1959.117318/} }