@misc{PMFA_1983_28_1_a7,
     title = {Jubilea a zpr\'avy},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {52--55},
     year = {1983},
     volume = {28},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1983_28_1_a7/}
}