@article{PMFA_1956_1_5-6_a18,
     author = {Havel, V\'aclav},
     title = {O v\v{e}t\v{e} {Pohlkeov\v{e}}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {694--696},
     year = {1956},
     volume = {1},
     number = {5-6},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1956_1_5-6_a18/}
}