@article{MP_2007_a10,
     author = {M. N. Istomina and A. B. Pevnyi},
     title = {{\CYRO} {\cyrr}{\cyra}{\cyrs}{\cyrp}{\cyro}{\cyrl}{\cyro}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrt}{\cyro}{\cyrch}{\cyre}{\cyrk} {\cyrn}{\cyra} {\cyrs}{\cyrf}{\cyre}{\cyrr}{\cyre} {\cyri} {\cyrf}{\cyrr}{\cyre}{\cyrishrt}{\cyrm}{\cyre} {{\CYRM}{\cyre}{\cyrr}{\cyrs}{\cyre}{\cyrd}{\cyre}{\cyrs}--{\CYRB}{\cyre}{\cyrn}{\cyrc}}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {105--112},
     publisher = {mathdoc},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_2007_a10/}
}