%0 Journal Article %A A. G. Ramm %T Analytic continuation of the Schr\"odinger equation and behaviour of the solution of non-stationary problem as $t\to\infty$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1964 %V 19 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1964_19_5_a16/ %G ru %F RM_1964_19_5_a16