@article{UM_2014_22_1_a1,
     author = {Kobza, Ale\v{s}},
     title = {Pozoruhodn\'e vlastnosti kruhov\'e inverze},
     journal = {U\v{c}itel matematiky},
     pages = {15--26},
     year = {2014},
     volume = {22},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2014_22_1_a1/}
}