@article{RMF_2006_81_2_a4,
     author = {Ka\v{s}par, Jan},
     title = {Program {TI} {InterActive!,} 2. \v{c}\'ast},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {18--21},
     year = {2006},
     volume = {81},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/RMF_2006_81_2_a4/}
}