%0 Journal Article
%A Yongfa, H.
%A  Xu, R.
%A  Fang, X. 
%T Characterizing ordered semigroups by means of intuitionistic fuzzy bi-ideals.
%J Mathware & soft computing
%D 2007
%P 57-66
%V 14
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MSC_2007_2007_1_a3/
%G en
%F MSC_2007_2007_1_a3