TY - JOUR AU - Yu. B. Orochko TI - The hyperbolic equation method in the theory of operators of Schr\"odinger type with a locally integrable potential JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1988 SP - 51 EP - 102 VL - 43 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1988_43_2_a1/ LA - en ID - RM_1988_43_2_a1 ER -