@article{UM_2008_16_2_a2,
     author = {Mach\'a\v{c}ek, Miroslav},
     title = {Hyperbolick\'a grupa shodn\'ych zobrazen{\'\i} v {Loba\v{c}evsk\'eho} rovin\v{e}},
     journal = {U\v{c}itel matematiky},
     pages = {84--93},
     year = {2008},
     volume = {16},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2008_16_2_a2/}
}