@article{MS_1975__138_1_a5, author = {{\CYRD}.{\CYRV}. {\CYRA}{\cyrl}{\cyre}{\cyrk}{\cyrs}{\cyre}{\cyre}{\cyrv}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}}, title = {{\CYRO}{\cyrd}{\cyrn}{\cyro}{\cyrr}{\cyro}{\cyrd}{\cyrn}{\cyrery}{\cyre} {\cyrr}{\cyri}{\cyrm}{\cyra}{\cyrn}{\cyro}{\cyrv}{\cyrery} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyra} {\cyro}{\cyrt}{\cyrr}{\cyri}{\cyrc}{\cyra}{\cyrt}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrishrt} {\cyrk}{\cyrr}{\cyri}{\cyrv}{\cyri}{\cyrz}{\cyrn}{\cyrery}}, journal = {Matemati\v{c}eskij sbornik}, pages = {93--117}, publisher = {mathdoc}, volume = {138}, number = {1}, year = {1975}, zbl = {0309.53037}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1975__138_1_a5/} }