@article{MS_1987__174_4_a4,
     author = {{\CYRG}.{\CYRV}. {\CYRR}{\cyra}{\cyrd}{\cyrz}{\cyri}{\cyre}{\cyrv}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}},
     title = {{\CYRO} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyro}{\cyrishrt} {\cyrn}{\cyre}{\cyrz}{\cyra}{\cyrv}{\cyri}{\cyrs}{\cyri}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrp}{\cyrr}{\cyro}{\cyri}{\cyrz}{\cyrv}{\cyro}{\cyrd}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyro} {{\CYRK}{\cyre}{\cyrl}{\cyrd}{\cyrery}{\cyrsh}{\cyru}} {\cyrc}{\cyre}{\cyrp}{\cyro}{\cyrch}{\cyre}{\cyrk} {\cyru} {\cyra}{\cyrn}{\cyra}{\cyrl}{\cyri}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrv} {\cyrp}{\cyro}{\cyrl}{\cyru}{\cyrp}{\cyrl}{\cyro}{\cyrs}{\cyrk}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}-{\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {556--577},
     publisher = {mathdoc},
     volume = {174},
     number = {4},
     year = {1987},
     zbl = {0632.47016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1987__174_4_a4/}
}