@misc{PMFA_1969_14_2_a3,
     title = {Zpr\'avy a jubilea},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {111--112},
     year = {1969},
     volume = {14},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1969_14_2_a3/}
}