TY - JOUR AU - S. Ya. Zhitomirskaya TI - The singular spectrum and scale invariance for a Schr\"odinger operator with binary almost periodic potential JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1990 SP - 241 EP - 242 VL - 45 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1990_45_5_a16/ LA - en ID - RM_1990_45_5_a16 ER -