@article{MP_2007_a17,
     author = {D. A. Mihalin and I. M. Nikonov},
     title = {{\CYRO}{\cyrd}{\cyrn}{\cyra} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra} {\cyro}~{\cyrn}{\cyra}{\cyrh}{\cyro}{\cyrzh}{\cyrd}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrf}{\cyra}{\cyrl}{\cyrsftsn}{\cyrsh}{\cyri}{\cyrv}{\cyro}{\cyrishrt} {\cyrm}{\cyro}{\cyrn}{\cyre}{\cyrt}{\cyrery}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {149--158},
     publisher = {mathdoc},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2007_a17/}
}