@article{MS_1980__155_4_a1,
     author = {{\CYRA}.{\CYRI}. {\CYRA}{\cyrp}{\cyrt}{\cyre}{\cyrk}{\cyra}{\cyrr}{\cyre}{\cyrv}},
     title = {{\CYRA}{\cyrs}{\cyri}{\cyrm}{\cyrp}{\cyrt}{\cyro}{\cyrt}{\cyri}{\cyrk}{\cyra} {\cyro}{\cyrp}{\cyrr}{\cyre}{\cyrd}{\cyre}{\cyrl}{\cyri}{\cyrt}{\cyre}{\cyrl}{\cyre}{\cyrishrt} {{\CYRA}{\cyrd}{\cyra}{\cyrm}{\cyra}{\cyrr}{\cyra}} {\cyri} {\cyrs}{\cyrh}{\cyro}{\cyrd}{\cyri}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrs}{\cyrt}{\cyrr}{\cyro}{\cyrk} {\cyra}{\cyrp}{\cyrp}{\cyrr}{\cyro}{\cyrk}{\cyrs}{\cyri}{\cyrm}{\cyra}{\cyrc}{\cyri}{\cyrishrt} {{\CYRP}{\cyra}{\cyrd}{\cyre}} {\cyrd}{\cyrl}{\cyrya} {\cyrs}{\cyru}{\cyrm}{\cyrm}{\cyrery} {\cyrerev}{\cyrk}{\cyrs}{\cyrp}{\cyro}{\cyrn}{\cyre}{\cyrn}{\cyrt}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {520--537},
     publisher = {mathdoc},
     volume = {155},
     number = {4},
     year = {1980},
     zbl = {0462.30006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1980__155_4_a1/}
}