%0 Journal Article
%A T. Ando
%T Comparison of Norms |||f (A) - f(B) ||| and |||f (|A - B|) |||.
%J Mathematische Zeitschrift
%D 1988
%P 403-410
%V 197
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1988__197_1_183741/
%F MZ_1988__197_1_183741