@article{MS_1991__182_4_a2,
     author = {{\CYRL}.{\CYRA}. {\CYRB}{\cyra}{\cyrg}{\cyri}{\cyrr}{\cyro}{\cyrv} and {\CYRV}.{\CYRA}. {\CYRK}{\cyro}{\cyrn}{\cyrd}{\cyrr}{\cyra}{\cyrt}{\cyrsftsn}{\cyre}{\cyrv}},
     title = {{\CYRO}{\cyrb} {\cyra}{\cyrs}{\cyri}{\cyrm}{\cyrn}{\cyrt}{\cyro}{\cyrt}{\cyri}{\cyrk}{\cyre} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrv} {\cyrg}{\cyri}{\cyrl}{\cyrsftsn}{\cyrb}{\cyre}{\cyrr}{\cyrt}{\cyro}{\cyrv}{\cyro}{\cyrm} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyre}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {508--525},
     publisher = {mathdoc},
     volume = {182},
     number = {4},
     year = {1991},
     zbl = {0743.34062},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1991__182_4_a2/}
}