@misc{PMFA_1969_14_1_a6,
     title = {Zpr\'avy a jubilea},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {56--59},
     year = {1969},
     volume = {14},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1969_14_1_a6/}
}