@article{MS_1969__120_2_a3,
     author = {{\CYRS}.{\CYRI}. {\CYRP}{\cyro}{\cyrh}{\cyro}{\cyrzh}{\cyra}{\cyre}{\cyrv}},
     title = {{\CYRO} {\cyrn}{\cyre}{\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyra}{\cyrh}, {\cyri}{\cyrm}{\cyre}{\cyryu}{\cyrshch}{\cyri}{\cyrh} {\cyrs}{\cyrl}{\cyra}{\cyrb}{\cyro} {\cyrz}{\cyra}{\cyrm}{\cyrk}{\cyrn}{\cyru}{\cyrt}{\cyru}{\cyryu} {\cyro}{\cyrb}{\cyrl}{\cyra}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrz}{\cyrn}{\cyra}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyrishrt}, {\cyri} {\cyrk}{\cyrv}{\cyra}{\cyrz}{\cyri}{\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrerev}{\cyrl}{\cyrl}{\cyri}{\cyrp}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya}{\cyrh}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {237--259},
     publisher = {mathdoc},
     volume = {120},
     number = {2},
     year = {1969},
     zbl = {0201.46501},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1969__120_2_a3/}
}