TY  - JOUR
AU  - Jhon J. BravoB
AU  - Diego F. Ruiz
AU  - Carlos A. Trujillo
TI  - Cardinality of Sets Associated to B3 and B4 Sets
JO  - Revista colombiana de matematicas
PY  - 2012
SP  - 27
EP  - 37
VL  - 46
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RCM_2012_46_1_a2/
ID  - RCM_2012_46_1_a2
ER  -