@article{MS_1991__181_5_a0,
     author = {{\CYRA}.{\CYRYU}. {\CYRK}{\cyro}{\cyrl}{\cyre}{\cyrs}{\cyro}{\cyrv} and {\CYRE}.{\CYRF}. {\CYRM}{\cyri}{\cyrshch}{\cyre}{\cyrn}{\cyrk}{\cyro}},
     title = {{\CYRYA}{\cyrv}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrz}{\cyra}{\cyrt}{\cyrya}{\cyrg}{\cyri}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyrya} {{\CYRL}.{\CYRS}.} {{\CYRP}{\cyro}{\cyrn}{\cyrt}{\cyrr}{\cyrya}{\cyrg}{\cyri}{\cyrn}{\cyra}} {\cyri} {\cyru}{\cyrs}{\cyrt}{\cyro}{\cyrishrt}{\cyrch}{\cyri}{\cyrv}{\cyrery}{\cyre} {\cyrc}{\cyri}{\cyrk}{\cyrl}{\cyrery}-{\cyru}{\cyrt}{\cyrk}{\cyri} {\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyrm}{\cyre}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyrr}{\cyre}{\cyrl}{\cyra}{\cyrk}{\cyrs}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm} {\cyrs} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrishrt} {\cyrm}{\cyre}{\cyrd}{\cyrl}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrishrt} {\cyrp}{\cyre}{\cyrr}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrishrt}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {579--588},
     publisher = {mathdoc},
     volume = {181},
     number = {5},
     year = {1991},
     zbl = {0731.34028},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1991__181_5_a0/}
}