@article{IVM_1979_12_a8,
     author = {L. I. Chibrikova and V. V. Sil'vestrov},
     title = {Calculation of the genus and the {Weierstrass} points of a~fundamental polygon of a~functional group},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {51--56},
     publisher = {mathdoc},
     number = {12},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1979_12_a8/}
}