@misc{PMFA_1967_12_4_a14,
     title = {Postgradu\'aln{\'\i} kursy na {Matematicko-fyzik\'aln{\'\i}} fakult\v{e} {University} {Karlovy}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {262},
     year = {1967},
     volume = {12},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1967_12_4_a14/}
}