%0 Journal Article %A B. A. Amosov %T On a~theory of pseudo-differential operators on the circle %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1988 %P 197-198 %V 43 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1988_43_3_a5/ %G en %F RM_1988_43_3_a5