@article{MS_1987__176_2_a3,
     author = {{\CYRV}.{\CYRI}. {\CYRK}{\cyro}{\cyrr}{\cyro}{\cyrb}{\cyro}{\cyrv} and {\CYRG}.{\CYRM}. {\CYRS}{\cyrk}{\cyrl}{\cyrya}{\cyrr}},
     title = {{\CYRO}{\cyrp}{\cyrt}{\cyri}{\cyrm}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyre} {\cyrb}{\cyrery}{\cyrs}{\cyrt}{\cyrr}{\cyro}{\cyrd}{\cyre}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyri}{\cyre} {\cyri} {\cyrs}{\cyrt}{\cyre}{\cyrp}{\cyre}{\cyrn}{\cyrn}{\cyra}{\cyrya} {\cyrp}{\cyrr}{\cyro}{\cyrb}{\cyrl}{\cyre}{\cyrm}{\cyra} {\cyrm}{\cyro}{\cyrm}{\cyre}{\cyrn}{\cyrt}{\cyro}{\cyrv}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {186--206},
     publisher = {mathdoc},
     volume = {176},
     number = {2},
     year = {1987},
     zbl = {0639.93034},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1987__176_2_a3/}
}