@misc{PMFA_1974_19_6_a8,
     title = {Jubilea a zpr\'avy},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {343--349},
     year = {1974},
     volume = {19},
     number = {6},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1974_19_6_a8/}
}