@article{MP_2004_a17,
     author = {F. V. Petrov and S. E. Rukshin},
     title = {{\CYRT}{\cyre}{\cyro}{\cyrr}{\cyre}{\cyrm}{\cyrery} {\cyro}~{\cyrp}{\cyro}{\cyrk}{\cyrr}{\cyrery}{\cyrv}{\cyra}{\cyryu}{\cyrshch}{\cyri}{\cyrh} {\cyri} {\cyrn}{\cyre}{\cyrp}{\cyre}{\cyrr}{\cyre}{\cyrs}{\cyre}{\cyrk}{\cyra}{\cyryu}{\cyrshch}{\cyri}{\cyrh}{\cyrs}{\cyrya} {\cyrt}{\cyrr}{\cyre}{\cyru}{\cyrg}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyri}{\cyrk}{\cyra}{\cyrh} {\cyri} {\cyri}{\cyrh} {\cyro}{\cyrb}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyrya}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {222--228},
     publisher = {mathdoc},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2004_a17/}
}