@article{MS_1971__128_1_a4,
     author = {{\CYRB}.{\CYRR}. {\CYRV}{\cyra}{\cyrishrt}{\cyrn}{\cyrb}{\cyre}{\cyrr}{\cyrg}},
     title = {{\CYRO} {\cyrp}{\cyrr}{\cyri}{\cyrn}{\cyrc}{\cyri}{\cyrp}{\cyre} {\cyrp}{\cyrr}{\cyre}{\cyrd}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrishrt} {\cyra}{\cyrm}{\cyrp}{\cyrl}{\cyri}{\cyrt}{\cyru}{\cyrd}{\cyrery}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {90--109},
     publisher = {mathdoc},
     volume = {128},
     number = {1},
     year = {1971},
     zbl = {0254.35036},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1971__128_1_a4/}
}