@misc{PMFA_1973_18_4_a11,
     title = {Nov\'e knihy},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {236--[236a]},
     year = {1973},
     volume = {18},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1973_18_4_a11/}
}