%0 Journal Article %A I. S. Iokhvidov %T Boundedness of $J$-isometric operators %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1961 %V 16 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1961_16_4_a12/ %G ru %F RM_1961_16_4_a12