@article{MP_1999_3_3_a12,
     author = {R. R. Pimenov},
     title = {{\CYRO}{\cyrt}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrs}{\cyrf}{\cyre}{\cyrr}{\cyrery} {\cyri} {\cyrn}{\cyre}{\cyre}{\cyrv}{\cyrk}{\cyrl}{\cyri}{\cyrd}{\cyro}{\cyrv}{\cyrery} {\cyrg}{\cyre}{\cyro}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyri}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {158--166},
     year = {1999},
     volume = {Ser. 3, 3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1999_3_3_a12/}
}