@article{MS_1965__109_2_a4,
     author = {{\CYRV}.{\CYRYA}. {\CYRS}{\cyrt}{\cyre}{\cyrc}{\cyre}{\cyrn}{\cyrk}{\cyro}},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrm} {\cyri}{\cyrt}{\cyre}{\cyrr}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyrn}{\cyro}{\cyrm} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyre} {\cyro}{\cyrt}{\cyrery}{\cyrs}{\cyrk}{\cyra}{\cyrn}{\cyri}{\cyrya} {\cyrs}{\cyrp}{\cyre}{\cyrk}{\cyrt}{\cyrr}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrr}{\cyra}{\cyrd}{\cyri}{\cyru}{\cyrs}{\cyra} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyro}{\cyrl}{\cyro}{\cyrzh}{\cyri}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrv}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {210--220},
     publisher = {mathdoc},
     volume = {109},
     number = {2},
     year = {1965},
     zbl = {0142.10901},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1965__109_2_a4/}
}