%0 Journal Article
%A Najati, Abbas
%A Rassias, Themistocles M.
%T Pexider type operators and their norms in $X_{\lambda }$ spaces
%J Czechoslovak Mathematical Journal
%D 2009
%P 1087-1094
%V 59
%N 4
%U http://geodesic.mathdoc.fr/item/CMJ_2009_59_4_a16/
%G en
%F CMJ_2009_59_4_a16