@article{MS_1990__181_7_a1,
     author = {{\CYRG}.{\CYRG}. {\CYRK}{\cyra}{\cyrz}{\cyra}{\cyrr}{\cyrya}{\cyrn} and {\CYRV}.{\CYRN}. {\CYRM}{\cyra}{\cyrr}{\cyrk}{\cyra}{\cyrr}{\cyrya}{\cyrn}},
     title = {{\CYRO}{\cyrc}{\cyre}{\cyrn}{\cyrk}{\cyra} {\cyrs}{\cyrn}{\cyri}{\cyrz}{\cyru} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrishrt} {\cyrr}{\cyra}{\cyrz}{\cyrm}{\cyre}{\cyrr}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrg}{\cyri}{\cyrp}{\cyro}{\cyrerev}{\cyrl}{\cyrl}{\cyri}{\cyrp}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrv}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {910--922},
     publisher = {mathdoc},
     volume = {181},
     number = {7},
     year = {1990},
     zbl = {0705.35026},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1990__181_7_a1/}
}