@article{MP_1997_a6,
     author = {P. E. Pushkar'},
     title = {{\CYRO} {\cyrn}{\cyre}{\cyrk}{\cyro}{\cyrt}{\cyro}{\cyrr}{\cyrery}{\cyrh} {\cyrt}{\cyro}{\cyrp}{\cyro}{\cyrl}{\cyro}{\cyrg}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrd}{\cyro}{\cyrk}{\cyra}{\cyrz}{\cyra}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrh} {\cyro}{\cyrs}{\cyrn}{\cyro}{\cyrv}{\cyrn}{\cyro}{\cyrishrt} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyre}{\cyrm}{\cyrery} {\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyrery}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {90--95},
     publisher = {mathdoc},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1997_a6/}
}