@article{TGS_1990__20_72545,
     author = {{\CYRYU}.{\CYRB}. {\CYRE}{\cyrr}{\cyrm}{\cyro}{\cyrl}{\cyra}{\cyre}{\cyrv}},
     title = {{\CYRO} {\cyrs}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyre}{\cyrd}{\cyrl}{\cyri}{\cyrv}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrg}{\cyri}{\cyrp}{\cyro}{\cyrt}{\cyre}{\cyrz}{\cyrery} {{\CYRK}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyri}{\cyrk}{\cyri}{\cyrn}{\cyra}-{\CYRSH}{\cyra}{\cyrf}{\cyra}{\cyrr}{\cyre}{\cyrv}{\cyri}{\cyrch}{\cyra}} {\cyrd}{\cyrl}{\cyrya} {\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrr}{\cyrb} {{\CYRL}{\cyri}} {\cyrs} {\cyrf}{\cyri}{\cyrl}{\cyrsftsn}{\cyrt}{\cyrr}{\cyra}{\cyrc}{\cyri}{\cyre}{\cyrishrt} {\cyrd}{\cyro}{\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyro}{\cyrch}{\cyrn}{\cyro} {\cyrb}{\cyro}{\cyrl}{\cyrsftsn}{\cyrsh}{\cyro}{\cyrishrt} {\cyrd}{\cyrl}{\cyri}{\cyrn}{\cyrery}},
     journal = {Trudy geometri\v{c}eskogo seminara},
     pages = {39--43},
     publisher = {mathdoc},
     volume = {20},
     year = {1990},
     zbl = {0716.17017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TGS_1990__20_72545/}
}