@misc{UM_1998_6_2_a10,
     title = {\v{S}est\'e setk\'an{\'\i} u\v{c}itel\r{u} matematiky v\v{s}ech typ\r{u} a stup\v{n}\r{u} \v{s}kol},
     journal = {U\v{c}itel matematiky},
     pages = {114},
     year = {1998},
     volume = {6},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1998_6_2_a10/}
}