@article{RMF_2008_83_1_a12,
     author = {Zhouf, Jaroslav},
     title = {\v{S}vr\v{c}ek, {J.,} {Cal\'abek,} {P.:} {Sb{\'\i}rka} netradi\v{c}n{\'\i}ch matematick\'ych \'uloh},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {57},
     year = {2008},
     volume = {83},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/RMF_2008_83_1_a12/}
}