@article{MS_1987__176_2_a1,
     author = {{\CYRA}.{\CYRA}. {\CYRB}{\cyro}{\cyrr}{\cyri}{\cyrs}{\cyre}{\cyrn}{\cyrk}{\cyro} and {\CYRA}.{\CYRL}. {\CYRYA}{\cyrm}{\cyrp}{\cyro}{\cyrl}{\cyrsftsn}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}},
     title = {{\CYRO} {\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrk}{\cyre} {{\CYRS}{\cyra}{\cyrs}{\cyra}{\cyrk}{\cyri}} {\cyrn}{\cyro}{\cyrr}{\cyrm}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrr}{\cyra}{\cyrs}{\cyrs}{\cyrl}{\cyro}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrp}{\cyro}{\cyrd}{\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrz}{\cyri}{\cyrya} {\cyrv} {\cyrr}{\cyri}{\cyrm}{\cyra}{\cyrn}{\cyro}{\cyrv}{\cyro}{\cyrm} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyre}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {158--176},
     publisher = {mathdoc},
     volume = {176},
     number = {2},
     year = {1987},
     zbl = {0633.53071},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1987__176_2_a1/}
}