@article{MS_1987__172_3_a0,
     author = {{\CYRA}.{\CYRL}. {\CYRV}{\cyro}{\cyrl}{\cyrsftsn}{\cyrb}{\cyre}{\cyrr}{\cyrg} and {\CYRB}. {\CYRYO}{\cyrr}{\cyri}{\cyrk}{\cyrk}{\cyre}},
     title = {{\CYRS}{\cyru}{\cyrm}{\cyrm}{\cyri}{\cyrr}{\cyru}{\cyre}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrl}{\cyro}{\cyrg}{\cyra}{\cyrr}{\cyri}{\cyrf}{\cyrm}{\cyra} {\cyrp}{\cyro}{\cyrch}{\cyrt}{\cyri} {\cyra}{\cyrn}{\cyra}{\cyrl}{\cyri}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrishrt} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyri} {\cyri} {\cyro}{\cyrb}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyre}{\cyrm}{\cyrery} {{\CYRL}{\cyre}{\cyrv}{\cyri}{\cyrn}{\cyrs}{\cyro}{\cyrn}{\cyra}-{\CYRK}{\cyra}{\cyrr}{\cyrt}{\cyrr}{\cyra}{\cyrishrt}{\cyrt}}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {335--348},
     publisher = {mathdoc},
     volume = {172},
     number = {3},
     year = {1987},
     zbl = {0644.30020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1987__172_3_a0/}
}