%0 Journal Article %A V. B. Matveev %T Wave operators and positive eigenvalues for a Schr\"odinger equation with oscillating potential %J Teoretičeskaâ i matematičeskaâ fizika %D 1973 %P 353-366 %V 15 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1973_15_3_a7/ %G ru %F TMF_1973_15_3_a7