@article{10_4064_sm_41_3_273_290, author = {{\CYRZ}. {\CYRCH}{\cyra}{\cyrn}{\cyrt}{\cyru}{\cyrr}{\cyri}{\cyrya}}, title = {{\CYRU}{\cyrs}{\cyrt}{\cyro}{\cyrishrt}{\cyrch}{\cyri}{\cyrv}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrp}{\cyrr}{\cyro}{\cyrc}{\cyre}{\cyrs}{\cyrs}{\cyra} {\cyro}{\cyrr}{\cyrt}{\cyro}{\cyrg}{\cyro}{\cyrn}{\cyra}{\cyrl}{\cyri}{\cyrz}{\cyra}{\cyrc}{\cyri}{\cyri} {\cyri} {\cyre}{\cyryo} {\cyrp}{\cyrr}{\cyri}{\cyrm}{\cyre}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya}}, journal = {Studia Mathematica}, pages = {273--290}, publisher = {mathdoc}, volume = {41}, number = {3}, year = {1972}, doi = {10.4064/sm-41-3-273-290}, language = {ru}, url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-41-3-273-290/} }