@article{MS_1976__141_3_a2,
     author = {{\CYRL}.{\CYRA}. {\CYRA}{\cyrishrt}{\cyrz}{\cyre}{\cyrn}{\cyrb}{\cyre}{\cyrr}{\cyrg} and {\CYRSH}.{\CYRA}. {\CYRD}{\cyra}{\cyru}{\cyrt}{\cyro}{\cyrv}},
     title = {{\CYRG}{\cyro}{\cyrl}{\cyro}{\cyrm}{\cyro}{\cyrr}{\cyrf}{\cyrn}{\cyrery}{\cyre} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyri} {\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyri}{\cyrh} {\cyrk}{\cyro}{\cyrm}{\cyrp}{\cyrl}{\cyre}{\cyrk}{\cyrs}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyre}{\cyrr}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyrs} {\cyrn}{\cyre}{\cyro}{\cyrt}{\cyrr}{\cyri}{\cyrc}{\cyra}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrishrt} {\cyrd}{\cyre}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyri}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrishrt} {\cyrch}{\cyra}{\cyrs}{\cyrt}{\cyrsftsn}{\cyryu}. {{\CYRS}{\cyrl}{\cyre}{\cyrd}{\cyrery}} {\cyrg}{\cyro}{\cyrl}{\cyro}{\cyrm}{\cyro}{\cyrr}{\cyrf}{\cyrn}{\cyrery}{\cyrh} {\cyri} {\cyrp}{\cyrl}{\cyryu}{\cyrr}{\cyri}{\cyrg}{\cyra}{\cyrr}{\cyrm}{\cyro}{\cyrn}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyri}{\cyrh} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt} {\cyrn}{\cyra} {\cyrg}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrc}{\cyre} {{\CYRSH}{\cyri}{\cyrl}{\cyro}{\cyrv}{\cyra}}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {342--355},
     publisher = {mathdoc},
     volume = {141},
     number = {3},
     year = {1976},
     zbl = {0341.32002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1976__141_3_a2/}
}