@article{VCHGU_1999_5_a8,
     author = {O. Yu. Titov and V. I. Ukhobotov},
     title = {{\CYRL}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyra}{\cyrya} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyra}{\cyrya} {\cyri}{\cyrg}{\cyrr}{\cyra}},
     journal = {Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika},
     pages = {113--119},
     year = {1999},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VCHGU_1999_5_a8/}
}