@misc{PMFA_2019_64_4_a8,
     title = {Obsah},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {250},
     year = {2019},
     volume = {64},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_2019_64_4_a8/}
}