@article{MS_1976__141_3_a9, author = {{\CYRM}.{\CYRP} {\CYRM}{\cyri}{\cyrn}{\cyre}{\cyre}{\cyrv} and {\CYRA}.{\CYRI} {\CYRP}{\cyra}{\cyrv}{\cyrl}{\cyro}{\cyrv}}, title = {{\CYRO} {\cyrch}{\cyri}{\cyrs}{\cyrl}{\cyre} {\cyrp}{\cyro}{\cyrd}{\cyrs}{\cyrt}{\cyra}{\cyrn}{\cyro}{\cyrv}{\cyro}{\cyrk} {\cyrs}{\cyrp}{\cyre}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrv}{\cyri}{\cyrd}{\cyra}}, journal = {Matemati\v{c}eskij sbornik}, pages = {468--476}, publisher = {mathdoc}, volume = {141}, number = {3}, year = {1976}, zbl = {0405.05002}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1976__141_3_a9/} }