@article{UM_2012_20_2_a6,
     author = {Dlab, Vlastimil},
     title = {Obsah obecn\'eho mnoho\'uheln{\'\i}ku},
     journal = {U\v{c}itel matematiky},
     pages = {105--108},
     year = {2012},
     volume = {20},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2012_20_2_a6/}
}