@article{KUKZ_1980_17_17_a20, author = {S. A. Fomin}, title = {{\CYRO}~{\cyrr}{\cyra}{\cyrs}{\cyrp}{\cyrr}{\cyre}{\cyrd}{\cyre}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrt}{\cyre}{\cyrp}{\cyrl}{\cyro}{\cyrv}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyro}{\cyrt}{\cyro}{\cyrk}{\cyra} {\cyrn}{\cyra} {\cyrp}{\cyro}{\cyrv}{\cyre}{\cyrr}{\cyrh}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrp}{\cyrl}{\cyra}{\cyrv}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrp}{\cyrr}{\cyri} }, journal = {Trudy seminara po kraevym zada\v{c}am}, pages = {202--209}, publisher = {mathdoc}, volume = {17}, number = {17}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KUKZ_1980_17_17_a20/} }