@article{MS_1968__118_2_a1,
     author = {{\CYRR}.{\CYRYA}. {\CYRG}{\cyrl}{\cyra}{\cyrg}{\cyro}{\cyrl}{\cyre}{\cyrv}{\cyra}},
     title = {{\CYRA}{\cyrp}{\cyrr}{\cyri}{\cyro}{\cyrr}{\cyrn}{\cyra}{\cyrya} {\cyro}{\cyrc}{\cyre}{\cyrn}{\cyrk}{\cyra} {\cyrn}{\cyro}{\cyrr}{\cyrm}{\cyrery} {{\CYRG}{\cyryo}{\cyrl}{\cyrsftsn}{\cyrd}{\cyre}{\cyrr}{\cyra}} {\cyri} {\cyrn}{\cyre}{\cyrr}{\cyra}{\cyrv}{\cyre}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyro} {{\CYRH}{\cyra}{\cyrr}{\cyrn}{\cyra}{\cyrk}{\cyra}} {\cyrd}{\cyrl}{\cyrya} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyra}{\cyrr}{\cyra}{\cyrb}{\cyro}{\cyrl}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} 2-{\cyrg}{\cyro} {\cyrp}{\cyro}{\cyrr}{\cyrya}{\cyrd}{\cyrk}{\cyra} {\cyrs} {\cyrr}{\cyra}{\cyrz}{\cyrr}{\cyrery}{\cyrv}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyrk}{\cyro}{\cyrerev}{\cyrf}{\cyrf}{\cyri}{\cyrc}{\cyri}{\cyre}{\cyrn}{\cyrt}{\cyra}{\cyrm}{\cyri}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {167--185},
     publisher = {mathdoc},
     volume = {118},
     number = {2},
     year = {1968},
     zbl = {0159.15002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1968__118_2_a1/}
}