@article{MS_1987__172_2_a3,
     author = {{\CYRM}.{\CYRI}. {\CYRV}{\cyri}{\cyrsh}{\cyri}{\cyrk} and {\CYRS}.{\CYRB}. {\CYRK}{\cyru}{\cyrk}{\cyrs}{\cyri}{\cyrn}},
     title = {{\CYRV}{\cyro}{\cyrz}{\cyrm}{\cyru}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrk}{\cyrv}{\cyra}{\cyrz}{\cyri}{\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrerev}{\cyrl}{\cyrl}{\cyri}{\cyrp}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyri} {\cyrf}{\cyrr}{\cyre}{\cyrd}{\cyrg}{\cyro}{\cyrl}{\cyrsftsn}{\cyrm}{\cyro}{\cyrv}{\cyrery} {\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrz}{\cyri}{\cyrya}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {222--242},
     publisher = {mathdoc},
     volume = {172},
     number = {2},
     year = {1987},
     zbl = {0625.35029},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1987__172_2_a3/}
}