@article{TGS_1990__20_72543, author = {{\CYRT}.{\CYRA}. {\CYRB}{\cyru}{\cyrr}{\cyrc}{\cyre}{\cyrv}{\cyra} and {\CYRL}.{\CYRV}. {\CYRSH}{\cyre}{\cyrs}{\cyrt}{\cyrery}{\cyrr}{\cyre}{\cyrv}{\cyra}}, title = {{\CYRA}{\cyrf}{\cyrf}{\cyri}{\cyrn}{\cyrn}{\cyrery}{\cyre} {\cyrp}{\cyrl}{\cyro}{\cyrs}{\cyrk}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrn}{\cyra}{\cyrd} {\cyrt}{\cyre}{\cyrl}{\cyra}{\cyrm}{\cyri}}, journal = {Trudy geometri\v{c}eskogo seminara}, pages = {19--31}, publisher = {mathdoc}, volume = {20}, year = {1990}, zbl = {0708.53014}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TGS_1990__20_72543/} }