@article{VCHGU_2003_8_a4,
     author = {A. G. Ivanov},
     title = {{\CYRP}{\cyra}{\cyrr}{\cyra}{\cyrl}{\cyrl}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyra}{\cyrya} {\cyrp}{\cyrr}{\cyro}{\cyrg}{\cyrr}{\cyra}{\cyrm}{\cyrm}{\cyra} {\cyrb}{\cyre}{\cyrz}{\cyru}{\cyrs}{\cyrl}{\cyro}{\cyrv}{\cyrn}{\cyro}{\cyrishrt} {\cyrm}{\cyri}{\cyrn}{\cyri}{\cyrm}{\cyri}{\cyrz}{\cyra}{\cyrc}{\cyri}{\cyri}},
     journal = {Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika},
     pages = {39--49},
     year = {2003},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VCHGU_2003_8_a4/}
}