@misc{PMFA_1997_42_1_a6,
     title = {Nov\'e knihy},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {56--[56a]},
     year = {1997},
     volume = {42},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1997_42_1_a6/}
}