%0 Journal Article %A W. Mlak %T Unitary dilations of contraction operators %J Matematika %D 1967 %P 21-95 %V 11 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAT_1967_11_6_a1/ %G ru %F MAT_1967_11_6_a1