@article{MS_1987__174_4_a3,
     author = {{\CYRG}.{\CYRA}. {\CYRI}{\cyro}{\cyrs}{\cyri}{\cyrf}{\cyrsftsn}{\cyrya}{\cyrn} and {\CYRO}.{\CYRA}. {\CYRO}{\cyrl}{\cyre}{\cyrishrt}{\cyrn}{\cyri}{\cyrk} and {\CYRA}.{\CYRS}. {\CYRSH}{\cyra}{\cyrm}{\cyra}{\cyre}{\cyrv}},
     title = {{\CYRO} {\cyrs}{\cyro}{\cyrb}{\cyrs}{\cyrt}{\cyrv}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyrz}{\cyrn}{\cyra}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyrya}{\cyrh} {\cyrk}{\cyrr}{\cyra}{\cyre}{\cyrv}{\cyrery}{\cyrh} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch} {\cyrd}{\cyrl}{\cyrya} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}{\cyrery} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri} {\cyru}{\cyrp}{\cyrr}{\cyru}{\cyrg}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrs} {\cyrb}{\cyrery}{\cyrs}{\cyrt}{\cyrr}{\cyro} {\cyro}{\cyrs}{\cyrc}{\cyri}{\cyrl}{\cyrl}{\cyri}{\cyrr}{\cyru}{\cyryu}{\cyrshch}{\cyri}{\cyrm}{\cyri} {\cyrk}{\cyro}{\cyrerev}{\cyrf}{\cyrf}{\cyri}{\cyrc}{\cyri}{\cyre}{\cyrn}{\cyrt}{\cyra}{\cyrm}{\cyri} {\cyrv} {\cyrp}{\cyre}{\cyrr}{\cyrf}{\cyro}{\cyrr}{\cyri}{\cyrr}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyrn}{\cyro}{\cyrishrt} {\cyro}{\cyrb}{\cyrl}{\cyra}{\cyrs}{\cyrt}{\cyri}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {517--530},
     publisher = {mathdoc},
     volume = {174},
     number = {4},
     year = {1987},
     zbl = {0623.73019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1987__174_4_a3/}
}