@article{PMFA_1976_21_4_a0,
     author = {Alexandrov, Anatolij},
     title = {Z\'akladn{\'\i} v\'yzkum a spole\v{c}ensk\'a praxe},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {181--184},
     year = {1976},
     volume = {21},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1976_21_4_a0/}
}