@article{MS_1991__182_7_a1,
     author = {{\CYRV}.{\CYRV}. {\CYRG}{\cyro}{\cyrn}{\cyrch}{\cyra}{\cyrr}{\cyro}{\cyrv} and {\CYRA}.{\CYRA}. {\CYRT}{\cyro}{\cyrl}{\cyrs}{\cyrt}{\cyro}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyrv}},
     title = {{\CYRS}{\cyro}{\cyrv}{\cyrm}{\cyre}{\cyrs}{\cyrt}{\cyrn}{\cyrery}{\cyre} {\cyrn}{\cyre}{\cyrp}{\cyrr}{\cyre}{\cyrr}{\cyrery}{\cyrv}{\cyrn}{\cyrery}{\cyre} {\cyrs}{\cyre}{\cyrl}{\cyre}{\cyrk}{\cyrt}{\cyro}{\cyrr}{\cyrery} {\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyrz}{\cyrn}{\cyra}{\cyrch}{\cyrn}{\cyrery}{\cyrh} {\cyro}{\cyrt}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrs} {\cyrn}{\cyre}{\cyrv}{\cyrery}{\cyrp}{\cyru}{\cyrk}{\cyrl}{\cyrery}{\cyrm}{\cyri} {\cyrz}{\cyrn}{\cyra}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyrya}{\cyrm}{\cyri} {\cyri} {\cyri}{\cyrh} {\cyrp}{\cyrr}{\cyri}{\cyrl}{\cyro}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrya}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {946--969},
     publisher = {mathdoc},
     volume = {182},
     number = {7},
     year = {1991},
     zbl = {0759.28010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1991__182_7_a1/}
}