@article{MS_1951__70_1_a6, author = {{\CYRS}.{\CYRN}. {\CYRCH}{\cyre}{\cyrr}{\cyrn}{\cyri}{\cyrk}{\cyro}{\cyrv}}, title = {{\CYRP}{\cyrr}{\cyri}{\cyrm}{\cyre}{\cyrch}{\cyra}{\cyrn}{\cyri}{\cyre} {\cyrk} {\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} }, journal = {Matemati\v{c}eskij sbornik}, pages = {130--130}, publisher = {mathdoc}, volume = {70}, number = {1}, year = {1951}, zbl = {0042.02002}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1951__70_1_a6/} }