@misc{PMFA_1970_15_2_a6,
     title = {Zpr\'avy a jubilea},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {97--98},
     year = {1970},
     volume = {15},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1970_15_2_a6/}
}