@article{VCHGU_1999_4_a6,
     author = {V. I. Zalyapin and V. F. Pisarenko},
     title = {{\CYRO} {\cyrn}{\cyre}{\cyrk}{\cyro}{\cyrt}{\cyro}{\cyrr}{\cyrery}{\cyrh} {\cyrs}{\cyrv}{\cyro}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrh} {\cyro}{\cyrc}{\cyre}{\cyrn}{\cyrk}{\cyri}},
     journal = {Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika},
     pages = {72--82},
     year = {1999},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VCHGU_1999_4_a6/}
}