@article{MP_2011_a11,
     author = {G. A. Gal'perin and A. Yu. Plakhov},
     title = {{\CYRO}{\cyrd}{\cyrn}{\cyra} {\cyrg}{\cyre}{\cyro}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyra}{\cyrya} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra}, {\cyrp}{\cyrr}{\cyri}{\cyrv}{\cyro}{\cyrd}{\cyrya}{\cyrshch}{\cyra}{\cyrya} {\cyrk}~{\cyrb}{\cyri}{\cyrl}{\cyrl}{\cyri}{\cyra}{\cyrr}{\cyrd}{\cyrn}{\cyro}{\cyrm}{\cyru} {\cyrz}{\cyra}{\cyrk}{\cyro}{\cyrn}{\cyru} {\cyro}{\cyrt}{\cyrr}{\cyra}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrya}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {176--181},
     publisher = {mathdoc},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2011_a11/}
}