@article{MS_1969__121_3_a1,
     author = {{\CYRP}.{\CYRL}. {\CYRP}{\cyro}{\cyrl}{\cyrya}{\cyrk}{\cyro}{\cyrv}},
     title = {{\CYRO} {\cyrt}{\cyrr}{\cyri}{\cyrv}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrs}{\cyre}{\cyrm}{\cyre}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv} {\cyrk}{\cyro}{\cyrm}{\cyrp}{\cyra}{\cyrk}{\cyrt}{\cyrn}{\cyrery}{\cyrh} {\cyrk}{\cyro}{\cyrm}{\cyrp}{\cyrl}{\cyre}{\cyrk}{\cyrs}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {357--367},
     publisher = {mathdoc},
     volume = {121},
     number = {3},
     year = {1969},
     zbl = {0216.10403},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1969__121_3_a1/}
}