@article{MS_1989__180_4_a4,
     author = {{\CYRA}.{\CYRA}. {\CYRP}{\cyrr}{\cyre}{\cyrm}{\cyre}{\cyrt}},
     title = {{\CYRR}{\cyre}{\cyrg}{\cyru}{\cyrl}{\cyrya}{\cyrr}{\cyrn}{\cyrery}{\cyre} {\cyrp}{\cyro}{\cyrd}{\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyrery} {{\CYRK}{\cyra}{\cyrr}{\cyrt}{\cyra}{\cyrn}{\cyra}} {\cyri} {\cyrn}{\cyri}{\cyrl}{\cyrsftsn}{\cyrp}{\cyro}{\cyrt}{\cyre}{\cyrn}{\cyrt}{\cyrn}{\cyrery}{\cyre} {\cyrerev}{\cyrl}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrt}{\cyrery} {\cyrv} {\cyro}{\cyrg}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrch}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyra}{\cyrh} {{\CYRL}{\cyri}}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {542--557},
     publisher = {mathdoc},
     volume = {180},
     number = {4},
     year = {1989},
     zbl = {0691.17007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1989__180_4_a4/}
}