TY - JOUR AU - G. M. Feldman TI - The spectrum of contractions that depend analytically on a parameter JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1974 VL - 29 IS - 6 UR - http://geodesic.mathdoc.fr/item/RM_1974_29_6_a17/ LA - ru ID - RM_1974_29_6_a17 ER -