@article{MS_1991__182_5_a4,
     author = {{\CYRB}.{\CYRV}. {\CYRL}{\cyro}{\cyrg}{\cyri}{\cyrn}{\cyro}{\cyrv} and {\CYRN}.{\CYRA}. {\CYRS}{\cyri}{\cyrd}{\cyro}{\cyrr}{\cyro}{\cyrv}},
     title = {{\CYRG}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyro}{\cyrv}{\cyra}{\cyrya} {\cyrs}{\cyri}{\cyrm}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrya} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrr}{\cyra}{\cyrz}{\cyrv}{\cyre}{\cyrt}{\cyrv}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyrya} {{\CYRL}{\cyrya}{\cyrp}{\cyru}{\cyrn}{\cyro}{\cyrv}{\cyra}-{\CYRSH}{\cyrm}{\cyri}{\cyrd}{\cyrt}{\cyra}} {\cyri} {\cyri}{\cyrn}{\cyrt}{\cyre}{\cyrr}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyrn}{\cyrery}{\cyre} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyrery} {\cyrv} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyre} {\cyro} {\cyrt}{\cyro}{\cyrch}{\cyrk}{\cyre} {\cyrb}{\cyri}{\cyrf}{\cyru}{\cyrr}{\cyrk}{\cyra}{\cyrc}{\cyri}{\cyri}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {681--691},
     publisher = {mathdoc},
     volume = {182},
     number = {5},
     year = {1991},
     zbl = {0807.58008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1991__182_5_a4/}
}