@article{MS_1978__149_4_a5,
     author = {{\CYRG}.{\CYRL}. {\CYRH}{\cyra}{\cyrr}{\cyra}{\cyrt}{\cyri}{\cyrsh}{\cyrv}{\cyri}{\cyrl}{\cyri} and {\CYRT}.{\CYRA}. {\CYRT}{\cyra}{\cyrd}{\cyru}{\cyrm}{\cyra}{\cyrd}{\cyrz}{\cyre}},
     title = {{\CYRN}{\cyre}{\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyre} {\cyro}{\cyrp}{\cyrt}{\cyri}{\cyrm}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyre} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}{\cyrery} {\cyru}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrs} {\cyrp}{\cyre}{\cyrr}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyrz}{\cyra}{\cyrp}{\cyra}{\cyrz}{\cyrd}{\cyrery}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyrya}{\cyrm}{\cyri}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {613--633},
     publisher = {mathdoc},
     volume = {149},
     number = {4},
     year = {1978},
     zbl = {0413.49008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1978__149_4_a5/}
}