%0 Journal Article %A M. Sh. Birman %T Some applications of a local criterion for the existence of wave operators %J Doklady Akademii Nauk %D 1969 %P 735-738 %V 185 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_185_4_a0/ %G ru %F DAN_1969_185_4_a0