%0 Journal Article
%A M. Radjabalipour
%T An Extension of Putnam-Fuglede Theorem for Hyponormal Operators.
%J Mathematische Zeitschrift
%D 1987
%P 117-120
%V 194
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1987__194_173820/
%F MZ_1987__194_173820