@article{UM_2004_12_2_a5,
     author = {Vojtekov\'a, Lenka},
     title = {Tetraflexag\'ony ako origami},
     journal = {U\v{c}itel matematiky},
     pages = {111--116},
     year = {2004},
     volume = {12},
     number = {2},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/UM_2004_12_2_a5/}
}