@article{UM_2019_27_3_a4,
     author = {Hejn\'y, Milan},
     title = {C{\'\i}le vyu\v{c}ov\'an{\'\i} matematice},
     journal = {U\v{c}itel matematiky},
     pages = {160--168},
     year = {2019},
     volume = {27},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2019_27_3_a4/}
}