@article{UM_2017_25_3_a1,
     author = {Nov\'ak, Stanislav},
     title = {Dal\v{s}{\'\i} pozoruhodn\'e vlastnosti kruhov\'e inverze},
     journal = {U\v{c}itel matematiky},
     pages = {156--163},
     year = {2017},
     volume = {25},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2017_25_3_a1/}
}