@misc{PMFA_1994_39_2_a6,
     title = {Jubilea a zpr\'avy},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {122--124},
     year = {1994},
     volume = {39},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1994_39_2_a6/}
}