@misc{PMFA_2008_53_4_a6,
     title = {Vyu\v{c}ov\'an{\'\i}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {341--345},
     year = {2008},
     volume = {53},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_2008_53_4_a6/}
}