@article{RMF_2018__93_4_a0,
     author = {Tomsa, Jan},
     title = {Nehrajte si se sirkami {II}},
     journal = {Rozhledy matematicko-fyzik\'aln{\'\i}},
     pages = {1--6},
     publisher = {mathdoc},
     volume = {93},
     number = {4},
     year = {2018},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/RMF_2018__93_4_a0/}
}