@article{MS_1954__76_1_a1, author = {{\CYRA}.{\CYRI}. {\CYRSH}{\cyri}{\cyrr}{\cyrsh}{\cyro}{\cyrv}}, title = {{\CYRP}{\cyro}{\cyrd}{\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyrery} {\cyrs}{\cyrv}{\cyro}{\cyrb}{\cyro}{\cyrd}{\cyrn}{\cyrery}{\cyrh} {\cyrk}{\cyro}{\cyrm}{\cyrm}{\cyru}{\cyrt}{\cyra}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyri} {\cyrs}{\cyrv}{\cyro}{\cyrb}{\cyro}{\cyrd}{\cyrn}{\cyrery}{\cyrh} {\cyra}{\cyrn}{\cyrt}{\cyri}{\cyrk}{\cyro}{\cyrm}{\cyrm}{\cyru}{\cyrt}{\cyra}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyrery}{\cyrh} {\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}}, journal = {Matemati\v{c}eskij sbornik}, pages = {81--88}, publisher = {mathdoc}, volume = {76}, number = {1}, year = {1954}, zbl = {0055.02703}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1954__76_1_a1/} }