@article{UM_2019_27_4_a2,
     author = {Samkov\'a, Libu\v{s}e},
     title = {Polyvalentn{\'\i} \'ulohy v matematice},
     journal = {U\v{c}itel matematiky},
     pages = {230--237},
     year = {2019},
     volume = {27},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2019_27_4_a2/}
}