@misc{PMFA_1971_16_6_a12,
     title = {Nov\'e knihy},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {347--[348a]},
     year = {1971},
     volume = {16},
     number = {6},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1971_16_6_a12/}
}