@article{TGS_1991__21_72446,
     author = {{\CYRSH}.{\CYRA}. {\CYRYA}{\cyrf}{\cyra}{\cyrr}{\cyro}{\cyrv}},
     title = {{\CYRP}{\cyrr}{\cyri}{\cyrz}{\cyrn}{\cyra}{\cyrk}{\cyri} {\cyrk}{\cyrv}{\cyra}{\cyrz}{\cyri}{\cyrp}{\cyrr}{\cyro}{\cyre}{\cyrk}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyrk}{\cyrv}{\cyra}{\cyrz}{\cyri}{\cyre}{\cyrv}{\cyrk}{\cyrl}{\cyri}{\cyrd}{\cyro}{\cyrv}{\cyrery}{\cyrh} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}},
     journal = {Trudy geometri\v{c}eskogo seminara},
     pages = {142--146},
     publisher = {mathdoc},
     volume = {21},
     year = {1991},
     zbl = {0930.53020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TGS_1991__21_72446/}
}