@article{UM_2004_12_4_a6,
     author = {Vrbsk\'y, Arne},
     title = {Turbodidaktika 2},
     journal = {U\v{c}itel matematiky},
     pages = {251--256},
     year = {2004},
     volume = {12},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2004_12_4_a6/}
}