@article{MS_1980__154_2_a7, author = {A.A. {\CYRZ}{\cyra}{\cyrishrt}{\cyrc}{\cyre}{\cyrv}}, title = {{\CYRP}{\cyro}{\cyrl}{\cyro}{\cyrzh}{\cyri}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyre} {\cyrp}{\cyro}{\cyrl}{\cyrya}{\cyrr}{\cyri}{\cyrz}{\cyra}{\cyrc}{\cyri}{\cyri} {\cyri} {\cyra}{\cyrb}{\cyre}{\cyrl}{\cyre}{\cyrv}{\cyrery} {\cyri}{\cyrd}{\cyre}{\cyra}{\cyrl}{\cyrery} {\cyrv} {\cyra}{\cyrl}{\cyrg}{\cyre}{\cyrb}{\cyrr}{\cyra}{\cyrh} {{\CYRL}{\cyri}}}, journal = {Matemati\v{c}eskij sbornik}, pages = {242--255}, publisher = {mathdoc}, volume = {154}, number = {2}, year = {1980}, zbl = {0455.22006}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1980__154_2_a7/} }