@misc{PMFA_2016_61_2_a6,
     title = {Jubilea},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {167--168},
     year = {2016},
     volume = {61},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_2016_61_2_a6/}
}