@article{MS_1991__182_8_a9,
     author = {{\CYRA}.{\CYRA}. {\CYRSH}{\cyrk}{\cyra}{\cyrl}{\cyri}{\cyrk}{\cyro}{\cyrv} and {\CYRA}.{\CYRV}. {\CYRSH}{\cyrk}{\cyrr}{\cyre}{\cyrd}},
     title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra} {\cyro}{\cyrb} {\cyru}{\cyrs}{\cyrt}{\cyra}{\cyrn}{\cyro}{\cyrv}{\cyri}{\cyrv}{\cyrsh}{\cyri}{\cyrh}{\cyrs}{\cyrya} {\cyrk}{\cyro}{\cyrl}{\cyre}{\cyrb}{\cyra}{\cyrn}{\cyri}{\cyrya}{\cyrh} {\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrv}{\cyre}{\cyrr}{\cyrs}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}-{\cyri}{\cyrz}{\cyro}{\cyrt}{\cyrr}{\cyro}{\cyrp}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyro}{\cyrl}{\cyru}{\cyrc}{\cyri}{\cyrl}{\cyri}{\cyrn}{\cyrd}{\cyrr}{\cyra}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {1222--1246},
     publisher = {mathdoc},
     volume = {182},
     number = {8},
     year = {1991},
     zbl = {0746.73014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1991__182_8_a9/}
}