@article{VCHGU_1991_1_a14,
     author = {S. I. Bigil'deev},
     title = {{\CYRK} {\cyru}{\cyrch}{\cyre}{\cyrt}{\cyru} {\cyrf}{\cyra}{\cyrz}{\cyro}{\cyrv}{\cyrery}{\cyrh} {\cyro}{\cyrg}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrv} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra}{\cyrh} {\cyro}{\cyrp}{\cyrt}{\cyri}{\cyrm}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyru}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyrya}},
     journal = {Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika},
     pages = {117--121},
     publisher = {mathdoc},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VCHGU_1991_1_a14/}
}