@article{MP_2004_a18,
     author = {G. A. Gal'perin},
     title = {{\CYRG}{\cyre}{\cyro}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyre} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrp}{\cyrr}{\cyro}{\cyrb}{\cyrl}{\cyre}{\cyrm}{\cyrery} {{\CYRV}.\,{\CYRV}.~{\CYRP}{\cyrr}{\cyro}{\cyri}{\cyrz}{\cyrv}{\cyro}{\cyrl}{\cyro}{\cyrv}{\cyra}}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {229--236},
     publisher = {mathdoc},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2004_a18/}
}