@misc{PMFA_2022_67_1_a7,
     title = {Jubilea},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {58--60},
     year = {2022},
     volume = {67},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_2022_67_1_a7/}
}