@article{MS_1972__130_4_a2,
     author = {{\CYRV}.{\CYRV}. {\CYRG}{\cyrr}{\cyru}{\cyrsh}{\cyri}{\cyrn}},
     title = {{\CYRG}{\cyri}{\cyrp}{\cyro}{\cyrerev}{\cyrl}{\cyrl}{\cyri}{\cyrp}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyre} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyri} {\cyrp}{\cyrs}{\cyre}{\cyrv}{\cyrd}{\cyro}{\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyre} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyrery} {\cyrs} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyrn}{\cyro}{\cyrz}{\cyrn}{\cyra}{\cyrch}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyrs}{\cyri}{\cyrm}{\cyrv}{\cyro}{\cyrl}{\cyra}{\cyrm}{\cyri}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {504--521},
     publisher = {mathdoc},
     volume = {130},
     number = {4},
     year = {1972},
     zbl = {0243.35020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1972__130_4_a2/}
}