@misc{PMFA_1992_37_6_a6,
     title = {Jubilea a zpr\'avy},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {348--350},
     year = {1992},
     volume = {37},
     number = {6},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1992_37_6_a6/}
}