@article{MS_1988__177_4_a0, author = {{\CYRN}.{\CYRG}. {\CYRK}{\cyru}{\cyrz}{\cyrn}{\cyre}{\cyrc}{\cyro}{\cyrv} and {\CYRB}.{\CYRG}. {\CYRM}{\cyra}{\cyrz}{\cyrsftsn}{\cyrya}}, title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrz}{\cyrn}{\cyra}{\cyrch}{\cyrn}{\cyro}{\cyrishrt} {\cyrr}{\cyra}{\cyrz}{\cyrr}{\cyre}{\cyrsh}{\cyri}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrp}{\cyrl}{\cyro}{\cyrs}{\cyrk}{\cyro}{\cyrishrt} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRN}{\cyre}{\cyrishrt}{\cyrm}{\cyra}{\cyrn}{\cyra}-{\CYRK}{\cyre}{\cyrl}{\cyrsftsn}{\cyrv}{\cyri}{\cyrn}{\cyra}}}, journal = {Matemati\v{c}eskij sbornik}, pages = {440--462}, publisher = {mathdoc}, volume = {177}, number = {4}, year = {1988}, zbl = {0664.35011}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1988__177_4_a0/} }