@article{MS_1991__182_9_a0, author = {{\CYRN}.{\CYRI}. {\CYRD}{\cyru}{\cyrb}{\cyrr}{\cyro}{\cyrv}{\cyri}{\cyrn}}, title = {{\CYRN}{\cyre}{\cyrk}{\cyro}{\cyrm}{\cyrm}{\cyru}{\cyrt}{\cyra}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyrery}{\cyre} {\cyrp}{\cyrr}{\cyryu}{\cyrf}{\cyre}{\cyrr}{\cyro}{\cyrv}{\cyrery} {\cyrk}{\cyro}{\cyrl}{\cyrsftsn}{\cyrc}{\cyra}}, journal = {Matemati\v{c}eskij sbornik}, pages = {1251--1260}, publisher = {mathdoc}, volume = {182}, number = {9}, year = {1991}, zbl = {0793.16021}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1991__182_9_a0/} }