@article{MS_1987__175_1_a8, author = {{\CYRA}.{\CYRI}. {\CYRK}{\cyra}{\cyrsh}{\cyru}}, title = {{\CYRO} {\cyrl}{\cyro}{\cyrk}{\cyra}{\cyrl}{\cyri}{\cyrz}{\cyra}{\cyrc}{\cyri}{\cyrya}{\cyrh} {\cyrv} {{\CYRM}{\cyro}{\cyrr}{\cyri}{\cyrt}{\cyra}-{\cyrk}{\cyro}{\cyrn}{\cyrt}{\cyre}{\cyrk}{\cyrs}{\cyrt}{\cyra}{\cyrh}}}, journal = {Matemati\v{c}eskij sbornik}, pages = {127--133}, publisher = {mathdoc}, volume = {175}, number = {1}, year = {1987}, zbl = {0625.16018}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1987__175_1_a8/} }