@article{MP_1999_a18,
     author = {B. R. Frenkin},
     title = {{\CYRS}{\cyrv}{\cyrya}{\cyrz}{\cyrsftsn} {\cyro}{\cyrs}{\cyrn}{\cyro}{\cyrv}{\cyrn}{\cyro}{\cyrishrt} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyre}{\cyrm}{\cyrery} {\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyrery} {\cyrs}~{\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyre}{\cyrishrt} {\cyrn}{\cyre}{\cyrp}{\cyrr}{\cyre}{\cyrr}{\cyrery}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}},
     journal = {Matematicheskoe Prosveshchenie},
     pages = {229--231},
     publisher = {mathdoc},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MP_1999_a18/}
}