@article{SJIM_2009_12_1_a8,
     author = {I. A. Kaliev and M. M. Sabitova},
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {\cyro}{\cyrp}{\cyrr}{\cyre}{\cyrd}{\cyre}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrt}{\cyre}{\cyrm}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyru}{\cyrr}{\cyrery} {\cyri}~{\cyrp}{\cyrl}{\cyro}{\cyrt}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyri}{\cyrs}{\cyrt}{\cyro}{\cyrch}{\cyrn}{\cyri}{\cyrk}{\cyro}{\cyrv} {\cyrt}{\cyre}{\cyrp}{\cyrl}{\cyra} {\cyrp}{\cyro} {\cyrn}{\cyra}{\cyrch}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrishrt} {\cyri}~{\cyrk}{\cyro}{\cyrn}{\cyre}{\cyrch}{\cyrn}{\cyro}{\cyrishrt} {\cyrt}{\cyre}{\cyrm}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyru}{\cyrr}{\cyra}{\cyrm}},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {89--97},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2009_12_1_a8/}
}