@article{UZKU_2019_161_4_a8,
     author = {P. I. Troshin},
     title = {Regular tessellation of the {Lobachevskii} plane},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {591--605},
     publisher = {mathdoc},
     volume = {161},
     number = {4},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2019_161_4_a8/}
}