@article{VCHGU_2002_6_a0,
     author = {E. L. Pervova},
     title = {{\CYRA}{\CYRT}-{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyrery} {\cyrn}{\cyra}{\cyrd} {\cyrp}{\cyro}{\cyrs}{\cyrl}{\cyre}{\cyrd}{\cyro}{\cyrv}{\cyra}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn}{\cyryu} {\cyra}{\cyrb}{\cyre}{\cyrl}{\cyre}{\cyrv}{\cyrery}{\cyrh} {\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}},
     journal = {Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika},
     pages = {8--12},
     publisher = {mathdoc},
     number = {6},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VCHGU_2002_6_a0/}
}