@article{UM_2011__19_3_a4,
     author = {Leischner, Pavel},
     title = {Omluva},
     journal = {U\v{c}itel matematiky},
     pages = {163--164},
     publisher = {mathdoc},
     volume = {19},
     number = {3},
     year = {2011},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/UM_2011__19_3_a4/}
}