@article{UM_2007_15_4_a1,
     author = {Li\v{s}kov\'a, Hana},
     title = {Spirolater\'aly},
     journal = {U\v{c}itel matematiky},
     pages = {199--204},
     year = {2007},
     volume = {15},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2007_15_4_a1/}
}