@article{MS_1990__180_12_a1,
     author = {{\CYRA}.{\CYRYA}. {\CYRH}{\cyre}{\cyrl}{\cyre}{\cyrm}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}},
     title = {{\CYRG}{\cyro}{\cyrm}{\cyro}{\cyrl}{\cyro}{\cyrg}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyra}{\cyrya} {\cyrs}{\cyru}{\cyrshch}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyra}{\cyrm}{\cyre}{\cyrn}{\cyra}{\cyrb}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrp}{\cyro} {{\CYRK}{\cyro}{\cyrn}{\cyrn}{\cyru}:} {\cyri}{\cyrn}{\cyrhrdsn}{\cyre}{\cyrk}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrp}{\cyrr}{\cyre}{\cyrd}{\cyru}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrb}{\cyri}{\cyrm}{\cyro}{\cyrd}{\cyru}{\cyrl}{\cyrya}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {1680--1690},
     publisher = {mathdoc},
     volume = {180},
     number = {12},
     year = {1990},
     zbl = {0721.46041},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1990__180_12_a1/}
}