@misc{PMFA_2018_63_4_a3,
     title = {Zpr\'avy a ozn\'amen{\'\i}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {282--287},
     year = {2018},
     volume = {63},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_2018_63_4_a3/}
}