@article{MS_1972__130_3_a1, author = {{\CYRS}.{\CYRG}. {\CYRM}{\cyra}{\cyrm}{\cyri}{\cyrk}{\cyro}{\cyrn}{\cyrya}{\cyrn}}, title = {{\CYRM}{\cyrn}{\cyro}{\cyrg}{\cyro}o{\cyrb}{\cyrr}{\cyra}{\cyrz}{\cyri}{\cyrya} {\cyrf}{\cyri}{\cyrn}{\cyri}{\cyrt}{\cyrn}{\cyro}-{\cyra}{\cyrp}{\cyrp}{\cyrr}{\cyro}{\cyrk}{\cyrs}{\cyri}{\cyrm}{\cyri}{\cyrr}{\cyru}{\cyre}{\cyrm}{\cyrery}{\cyrh} {\cyrp}{\cyro}{\cyrl}{\cyru}{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}}, journal = {Matemati\v{c}eskij sbornik}, pages = {353--359}, publisher = {mathdoc}, volume = {130}, number = {3}, year = {1972}, zbl = {0244.20070}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1972__130_3_a1/} }