@article{MS_1976__141_4_a9,
     author = {A.A. {\CYRG}{\cyro}{\cyrn}{\cyrch}{\cyra}{\cyrr} and {\CYRL}.{\CYRD}. {\CYRG}{\cyrr}{\cyri}{\cyrg}{\cyro}{\cyrr}{\cyrya}{\cyrn}},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrc}{\cyre}{\cyrn}{\cyrk}{\cyra}{\cyrh} {\cyrn}{\cyro}{\cyrr}{\cyrm}{\cyrery} {\cyrg}{\cyro}{\cyrl}{\cyro}{\cyrm}{\cyro}{\cyrr}{\cyrf}{\cyrn}{\cyro}{\cyrishrt} {\cyrs}{\cyro}{\cyrs}{\cyrt}{\cyra}{\cyrv}{\cyrl}{\cyrya}{\cyryu}{\cyrshch}{\cyre}{\cyrishrt} {\cyrm}{\cyre}{\cyrr}{\cyro}{\cyrm}{\cyro}{\cyrr}{\cyrf}{\cyrn}{\cyro}{\cyrishrt} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyri}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {634--638},
     publisher = {mathdoc},
     volume = {141},
     number = {4},
     year = {1976},
     zbl = {0329.30030},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1976__141_4_a9/}
}