@article{MS_1980__154_3_a6, author = {A.A. {\CYRF}{\cyro}{\cyrn}{\cyra}{\cyrr}{\cyre}{\cyrv}}, title = {{\CYRO} {\cyrp}{\cyrr}{\cyri}{\cyrb}{\cyrl}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrm} {\cyrp}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyro}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrn}{\cyre}{\cyrya}{\cyrv}{\cyrn}{\cyro}{\cyrishrt} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyri}}, journal = {Matemati\v{c}eskij sbornik}, pages = {467--471}, publisher = {mathdoc}, volume = {154}, number = {3}, year = {1980}, zbl = {0466.47038}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1980__154_3_a6/} }