@article{IVM_2000_9_a10,
     author = {S. G. Leiko and A. V. Vinnik},
     title = {Rotational-conformal transformations in the {Lobachevskii} plane},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {79--81},
     year = {2000},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2000_9_a10/}
}