@article{MS_1990__181_8_a3, author = {{\CYRYU}.{\CYRV}. {\CYRM}{\cyru}{\cyrr}{\cyra}{\cyrn}{\cyro}{\cyrv} and {\CYRA}.{\CYRF}. {\CYRH}{\cyra}{\cyrr}{\cyrsh}{\cyri}{\cyrl}{\cyra}{\cyrd}{\cyrz}{\cyre}}, title = {{\CYRG}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyrery} {{\CYRB}{\cyrr}{\cyra}{\cyru}{\cyrd}{\cyre}{\cyrr}{\cyra}-{\CYRL}{\cyri}{\cyrv}{\cyrs}{\cyri}} {\cyra}{\cyrb}{\cyre}{\cyrl}{\cyre}{\cyrv}{\cyrery}{\cyrh} 2-{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}}, journal = {Matemati\v{c}eskij sbornik}, pages = {1061--1098}, publisher = {mathdoc}, volume = {181}, number = {8}, year = {1990}, zbl = {0712.55005}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1990__181_8_a3/} }