%0 Journal Article
%A Jhon J. BravoB
%A Diego F. Ruiz
%A Carlos A. Trujillo
%T Cardinality of Sets Associated to B3 and B4 Sets
%J Revista colombiana de matematicas
%D 2012
%P 27-37
%V 46
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RCM_2012_46_1_a2/
%F RCM_2012_46_1_a2