@article{MS_1981__157_1_a1, author = {{\CYRP}.{\CYRM}. {\CYRT}{\cyra}{\cyrm}{\cyrr}{\cyra}{\cyrz}{\cyro}{\cyrv}}, title = {{\CYRE}{\cyrm}{\cyrk}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrk}{\cyro}{\cyrn}{\cyrd}{\cyre}{\cyrn}{\cyrs}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrv}. {{\CYRM}{\cyre}{\cyrt}{\cyro}{\cyrd}} {\cyrp}{\cyre}{\cyrr}{\cyre}{\cyrm}{\cyre}{\cyrsh}{\cyri}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyrya} {\cyrz}{\cyra}{\cyrr}{\cyrya}{\cyrd}{\cyro}{\cyrv}}, journal = {Matemati\v{c}eskij sbornik}, pages = {40--73}, publisher = {mathdoc}, volume = {157}, number = {1}, year = {1981}, zbl = {0458.31007}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1981__157_1_a1/} }