@article{MS_1969__121_2_a6,
     author = {{\CYRV}.{\CYRA}. {\CYRS}{\cyro}{\cyrch}{\cyrn}{\cyre}{\cyrv}{\cyra} and {\CYRV}.{\CYRR}. {\CYRF}{\cyrr}{\cyri}{\cyrd}{\cyrl}{\cyre}{\cyrn}{\cyrd}{\cyre}{\cyrr}},
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra} {{\CYRK}{\cyro}{\cyrsh}{\cyri}} {\cyrd}{\cyrl}{\cyrya} {\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyrm}{\cyre}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm} {\cyrn}{\cyra}{\cyrd} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra}{\cyrm}{\cyri} {{\CYRZH}{\cyre}{\cyrv}{\cyrr}{\cyre}{\cyrya}}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {264--292},
     publisher = {mathdoc},
     volume = {121},
     number = {2},
     year = {1969},
     zbl = {0204.41802},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1969__121_2_a6/}
}