%0 Journal Article
%A F.F. Bonsall
%A B.E. Cain
%A H. Schneider
%T The Numerical Range of a Continuous Mapping of a Normed Space. (Short Communication).
%J Aequationes mathematicae
%D 1968
%P 205-205
%V 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1968__1_135963/
%F AM2_1968__1_135963