@article{TGS_1991__21_72442, author = {{\CYRB}.{\CYRN}. {\CYRSH}{\cyra}{\cyrp}{\cyru}{\cyrk}{\cyro}{\cyrv}}, title = {{\CYRP}{\cyro}{\cyrd}{\cyrr}{\cyra}{\cyrs}{\cyrs}{\cyrl}{\cyro}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyro}{\cyrr}{\cyrb}{\cyri}{\cyrt} {\cyrv} {\cyrt}{\cyre}{\cyrn}{\cyrz}{\cyro}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyrr}{\cyra}{\cyrs}{\cyrs}{\cyrl}{\cyro}{\cyre}{\cyrn}{\cyri}{\cyrya}{\cyrh}}, journal = {Trudy geometri\v{c}eskogo seminara}, pages = {104--118}, publisher = {mathdoc}, volume = {21}, year = {1991}, zbl = {0932.53010}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TGS_1991__21_72442/} }