@article{MS_1990__181_12_a5,
     author = {{\CYRK}.{\CYRH}. {\CYRB}{\cyro}{\cyrishrt}{\cyrm}{\cyra}{\cyrt}{\cyro}{\cyrv} and {\CYRA}.{\CYRG}. {\CYRK}{\cyro}{\cyrs}{\cyrt}{\cyryu}{\cyrch}{\cyre}{\cyrn}{\cyrk}{\cyro}},
     title = {{\CYRS}{\cyrp}{\cyre}{\cyrk}{\cyrt}{\cyrr}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyra}{\cyrya} {\cyra}{\cyrs}{\cyrs}{\cyri}{\cyrm}{\cyrp}{\cyrt}{\cyro}{\cyrt}{\cyri}{\cyrk}{\cyra} {\cyrn}{\cyre}{\cyrs}{\cyra}{\cyrm}{\cyro}{\cyrs}{\cyro}{\cyrp}{\cyrr}{\cyrya}{\cyrzh}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyrerev}{\cyrl}{\cyrl}{\cyri}{\cyrp}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrv} {\cyrv} {\cyro}{\cyrg}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrch}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyro}{\cyrb}{\cyrl}{\cyra}{\cyrs}{\cyrt}{\cyrya}{\cyrh}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {1678--1693},
     publisher = {mathdoc},
     volume = {181},
     number = {12},
     year = {1990},
     zbl = {0733.35085},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1990__181_12_a5/}
}