@article{VCHGU_2003_7_a9,
     author = {S. A. Nikitina and V. I. Ukhobotov},
     title = {{\CYRS}{\cyrt}{\cyra}{\cyrb}{\cyri}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrishrt} {\cyrm}{\cyro}{\cyrs}{\cyrt} {\cyrd}{\cyrl}{\cyrya} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrishrt} {\cyrd}{\cyre}{\cyrk}{\cyro}{\cyrm}{\cyrp}{\cyro}{\cyrz}{\cyri}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyrn}{\cyro}{\cyrishrt} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrishrt} {\cyri}{\cyrg}{\cyrr}{\cyrery}},
     journal = {Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika},
     pages = {99--107},
     year = {2003},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VCHGU_2003_7_a9/}
}