%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
%J Aequationes mathematicae
%D 1969
%P 86-93
%V 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1969__2_182304/
%F AM2_1969__2_182304