@misc{PMFA_1987_32_4_a7,
     title = {Jubilees and news},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {231--235},
     year = {1987},
     volume = {32},
     number = {4},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1987_32_4_a7/}
}