@misc{PMFA_1993_38_2_a5,
     title = {Jubilees and news},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {109--122},
     year = {1993},
     volume = {38},
     number = {2},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1993_38_2_a5/}
}