@misc{PMFA_1976__21_1_a7,
     title = {Jubilea a zpr\'avy},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {52--56},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {1976},
     zbl = {0318.01016},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1976__21_1_a7/}
}