%0 Journal Article %A S. Nabil Elalami %T Generalization of a Theorem of R. E. Weber. Weakly Finite Operators (in French) %J Mathematica balkanica %D 1989 %P 196 %V 3 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1989_3_2_a7/ %F MABA_1989_3_2_a7