@misc{PMFA_1971_16_4_a6,
     title = {Zpr\'avy a jubilea},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {206--210},
     year = {1971},
     volume = {16},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1971_16_4_a6/}
}