@article{MS_1976__141_3_a6, author = {{\CYRA}.{\CYRG}. {\CYRCH}{\cyre}{\cyrn}{\cyrc}{\cyro}{\cyrv}}, title = {{\CYRO}{\cyrb} {\cyri}{\cyrg}{\cyrr}{\cyro}{\cyrv}{\cyro}{\cyrishrt} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyre} {\cyrs}{\cyrb}{\cyrl}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrv} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrn}{\cyrn}{\cyrery}{\cyrishrt} {\cyrm}{\cyro}{\cyrm}{\cyre}{\cyrn}{\cyrt} {\cyrv}{\cyrr}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyri}}, journal = {Matemati\v{c}eskij sbornik}, pages = {394--420}, publisher = {mathdoc}, volume = {141}, number = {3}, year = {1976}, zbl = {0351.90093}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1976__141_3_a6/} }