@article{MS_1981__158_3_a9,
     author = {A.A. {\CYRB}{\cyro}{\cyrr}{\cyri}{\cyrs}{\cyre}{\cyrn}{\cyrk}{\cyro}},
     title = {{\CYRO} {\cyrv}{\cyrn}{\cyre}{\cyrsh}{\cyrn}{\cyre} {\cyrg}{\cyre}{\cyro}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrs}{\cyrv}{\cyro}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrh} {\cyrp}{\cyra}{\cyrr}{\cyra}{\cyrb}{\cyro}{\cyrl}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrishrt} {\cyri} {\cyrt}{\cyro}{\cyrp}{\cyro}{\cyrl}{\cyro}{\cyrg}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrs}{\cyrv}{\cyro}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrh} {\cyrs}{\cyre}{\cyrd}{\cyrl}{\cyro}{\cyrv}{\cyrery}{\cyrh} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrishrt} {\cyrv} {\cyrs}{\cyri}{\cyrm}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrh} {\cyrr}{\cyra}{\cyrn}{\cyrg}{\cyra} {\cyro}{\cyrd}{\cyri}{\cyrn}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {440--457},
     publisher = {mathdoc},
     volume = {158},
     number = {3},
     year = {1981},
     zbl = {0477.53051},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1981__158_3_a9/}
}