TY - JOUR AU - I. Ts. Gokhberg TI - A factorization problem in normed rings, functions of isometric and symmetric operators and singular integral equations JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1964 SP - 63 EP - 114 VL - 19 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1964_19_1_a1/ LA - en ID - RM_1964_19_1_a1 ER -