@article{TGS_1990__20_72549,
     author = {{\CYRN}.{\CYRN}. {\CYRP}{\cyre}{\cyrr}{\cyre}{\cyrl}{\cyro}{\cyrm}{\cyro}{\cyrv}{\cyra} and {\CYRA}.{\CYRP}. {\CYRSH}{\cyri}{\cyrr}{\cyro}{\cyrk}{\cyro}{\cyrv}},
     title = {{\CYRK}{\cyra}{\cyrs}{\cyra}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyre} {\cyrr}{\cyra}{\cyrs}{\cyrs}{\cyrl}{\cyro}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrv}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyro}{\cyrr}{\cyrya}{\cyrd}{\cyrk}{\cyra} {\cyrp}{\cyrr}{\cyro}{\cyre}{\cyrk}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyro}{\cyrishrt} {\cyrp}{\cyrr}{\cyrya}{\cyrm}{\cyro}{\cyrishrt} {\cyri} {\cyrg}{\cyre}{\cyro}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrya} {{\CYRL}{\cyro}{\cyrb}{\cyra}{\cyrch}{\cyre}{\cyrv}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro}}},
     journal = {Trudy geometri\v{c}eskogo seminara},
     pages = {71--85},
     publisher = {mathdoc},
     volume = {20},
     year = {1990},
     zbl = {0712.53010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TGS_1990__20_72549/}
}