@article{MS_1990__181_9_a5,
     author = {{\CYRE}.{\CYRV}. {\CYRF}{\cyre}{\cyrr}{\cyra}{\cyrp}{\cyro}{\cyrn}{\cyrt}{\cyro}{\cyrv}},
     title = {{\CYRI}{\cyrn}{\cyrt}{\cyre}{\cyrg}{\cyrr}{\cyri}{\cyrr}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyre} {\cyrs}{\cyrl}{\cyra}{\cyrb}{\cyro} {\cyrn}{\cyre}{\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyro}{\cyrl}{\cyru}{\cyrg}{\cyra}{\cyrm}{\cyri}{\cyrl}{\cyrsftsn}{\cyrt}{\cyro}{\cyrn}{\cyro}{\cyrv}{\cyrery}{\cyrh} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm} {\cyrg}{\cyri}{\cyrd}{\cyrr}{\cyro}{\cyrd}{\cyri}{\cyrn}{\cyra}{\cyrm}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro} {\cyrt}{\cyri}{\cyrp}{\cyra} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyra}{\cyrm}{\cyri} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri} {\cyrt}{\cyrk}{\cyra}{\cyrn}{\cyre}{\cyrishrt}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {1220--1235},
     publisher = {mathdoc},
     volume = {181},
     number = {9},
     year = {1990},
     zbl = {0798.76003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1990__181_9_a5/}
}