@misc{PMFA_1986_31_3_a7,
     title = {Jubilea a zpr\'avy},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {179--183},
     year = {1986},
     volume = {31},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1986_31_3_a7/}
}