@article{MS_1972__131_4_a6,
     author = {{\CYRB}.{\CYRI}. {\CYRG}{\cyro}{\cyrl}{\cyru}{\cyrb}{\cyro}{\cyrv}},
     title = {{\CYRO} {\cyrs}{\cyrh}{\cyro}{\cyrd}{\cyri}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrs}{\cyrf}{\cyre}{\cyrr}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrs}{\cyrr}{\cyre}{\cyrd}{\cyrn}{\cyri}{\cyrh} {{\CYRR}{\cyri}{\cyrs}{\cyrs}{\cyra}} {\cyrk}{\cyrr}{\cyra}{\cyrt}{\cyrn}{\cyrery}{\cyrh} {\cyrr}{\cyrya}{\cyrd}{\cyro}{\cyrv} {\cyri} {\cyri}{\cyrn}{\cyrt}{\cyre}{\cyrg}{\cyrr}{\cyra}{\cyrl}{\cyro}{\cyrv} {{\CYRF}{\cyru}{\cyrr}{\cyrsftsn}{\cyre}} {\cyro}{\cyrt} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt} {\cyro}{\cyrg}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrch}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrishrt} {\cyro}{\cyrb}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrishrt} {\cyrv}{\cyra}{\cyrr}{\cyri}{\cyra}{\cyrc}{\cyri}{\cyri}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {630--653},
     publisher = {mathdoc},
     volume = {131},
     number = {4},
     year = {1972},
     zbl = {0256.42027},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1972__131_4_a6/}
}