@article{MS_1960__94_4_a1, author = {{\CYRV}.{\CYRH}. {\CYRT}{\cyra}{\cyrsh}{\cyrb}{\cyra}{\cyre}{\cyrv}}, title = {{\CYRO}{\cyrb}{\cyrr}{\cyra}{\cyrt}{\cyrn}{\cyra}{\cyrya} {\cyra}{\cyrd}{\cyrd}{\cyri}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyra}{\cyrya} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra}}, journal = {Matemati\v{c}eskij sbornik}, pages = {947--952}, publisher = {mathdoc}, volume = {94}, number = {4}, year = {1960}, zbl = {0109.27204}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1960__94_4_a1/} }