TY - JOUR AU - I. S. Iokhvidov TI - $G$-isometric and $J$-semiunitary operators in Hilbert space JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1965 VL - 20 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1965_20_3_a11/ LA - ru ID - RM_1965_20_3_a11 ER -