@article{MS_1957__83_4_a1,
     author = {{\CYRR}.{\CYREREV}. {\CYRV}{\cyri}{\cyrn}{\cyro}{\cyrg}{\cyrr}{\cyra}{\cyrd}},
     title = {{\CYRN}{\cyre}{\cyrp}{\cyrr}{\cyri}{\cyrm}{\cyre}{\cyrn}{\cyri}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyra} {\cyrh}{\cyra}{\cyrr}{\cyra}{\cyrk}{\cyrt}{\cyre}{\cyrr}{\cyri}{\cyrs}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrp}{\cyro}{\cyrk}{\cyra}{\cyrz}{\cyra}{\cyrt}{\cyre}{\cyrl}{\cyre}{\cyrishrt} {\cyrk} {\cyri}{\cyrz}{\cyru}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyryu} {\cyrn}{\cyre}{\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrishrt}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {431--438},
     publisher = {mathdoc},
     volume = {83},
     number = {4},
     year = {1957},
     zbl = {0077.29601},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1957__83_4_a1/}
}