@article{MS_1979__152_1_a0, author = {{\CYRA}.{\CYRI}. {\CYRK}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyri}{\cyrk}{\cyri}{\cyrn}}, title = {{\CYRS}{\cyrerev}{\cyrd}{\cyrv}{\cyri}{\cyrch}{\cyri} {\cyrv} {\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyra}{\cyrh} {{\CYRL}{\cyri}}}, journal = {Matemati\v{c}eskij sbornik}, pages = {3--12}, publisher = {mathdoc}, volume = {152}, number = {1}, year = {1979}, zbl = {0415.17011}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1979__152_1_a0/} }