@article{MS_1987__174_1_a5,
     author = {{\CYRA}.{\CYRA}. {\CYRD}{\cyra}{\cyrv}{\cyrery}{\cyrd}{\cyro}{\cyrv}},
     title = {{\CYRN}{\cyro}{\cyrr}{\cyrm}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyra}{\cyrya} {\cyrf}{\cyro}{\cyrr}{\cyrm}{\cyra} {\cyrm}{\cyre}{\cyrd}{\cyrl}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyrd}{\cyrv}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrr}{\cyre}{\cyrl}{\cyra}{\cyrk}{\cyrs}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrt}{\cyri}{\cyrp}{\cyra} {\cyri} {\cyrr}{\cyra}{\cyrs}{\cyrs}{\cyrl}{\cyro}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrb}{\cyri}{\cyrn}{\cyro}{\cyrm}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrishrt}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {131--139},
     publisher = {mathdoc},
     volume = {174},
     number = {1},
     year = {1987},
     zbl = {0618.58011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1987__174_1_a5/}
}