@article{MS_1990__181_10_a6, author = {{\CYRV}.{\CYRN}. {\CYRT}{\cyre}{\cyrm}{\cyrl}{\cyrya}{\cyrk}{\cyro}{\cyrv}}, title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrm} {\cyrp}{\cyrr}{\cyri}{\cyre}{\cyrm}{\cyre} {\cyrp}{\cyro}{\cyrl}{\cyru}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyro}{\cyrc}{\cyre}{\cyrn}{\cyro}{\cyrk} {\cyrs}{\cyrn}{\cyri}{\cyrz}{\cyru} {\cyrp}{\cyro}{\cyrg}{\cyrr}{\cyre}{\cyrsh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyre}{\cyrishrt} {\cyrk}{\cyrv}{\cyra}{\cyrd}{\cyrr}{\cyra}{\cyrt}{\cyru}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyrf}{\cyro}{\cyrr}{\cyrm}{\cyru}{\cyrl}}, journal = {Matemati\v{c}eskij sbornik}, pages = {1403--1413}, publisher = {mathdoc}, volume = {181}, number = {10}, year = {1990}, zbl = {0758.41032}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1990__181_10_a6/} }