%0 Journal Article
%A Showalter, R.E.
%T Perturbation of maximal accretive operators with right angle
%J Portugaliae mathematica
%D 1977
%P 79-82
%V 36
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_1977__36_2_115305/
%G en
%F PORMA_1977__36_2_115305