@article{MS_1959__90_1_a4,
     author = {{\CYRB}.{\CYRF}. {\CYRB}{\cyrery}{\cyrl}{\cyro}{\cyrv}},
     title = {{\CYRO}{\cyrb} {\cyru}{\cyrs}{\cyrt}{\cyro}{\cyrishrt}{\cyrch}{\cyri}{\cyrv}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrs}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyru} {\cyrn}{\cyra}{\cyri}{\cyrb}{\cyro}{\cyrl}{\cyrsftsn}{\cyrsh}{\cyre}{\cyrg}{\cyro} {\cyrh}{\cyra}{\cyrr}{\cyra}{\cyrk}{\cyrt}{\cyre}{\cyrr}{\cyri}{\cyrs}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyro}{\cyrk}{\cyra}{\cyrz}{\cyra}{\cyrt}{\cyre}{\cyrl}{\cyrya} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}{\cyrery} {\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} {\cyrs} {\cyrp}{\cyro}{\cyrch}{\cyrt}{\cyri}-{\cyrp}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrm}{\cyri} {\cyrk}{\cyro}{\cyrerev}{\cyrf}{\cyrf}{\cyri}{\cyrc}{\cyri}{\cyre}{\cyrn}{\cyrt}{\cyra}{\cyrm}{\cyri}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {117--128},
     publisher = {mathdoc},
     volume = {90},
     number = {1},
     year = {1959},
     zbl = {0085.07201},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1959__90_1_a4/}
}