%0 Journal Article %A Irene Erazo %A John López %A Carlos Trujillo %T A combinatorial problem that arose in integer B3 Sets %J Revista colombiana de matematicas %D 2019 %P 195-203 %V 53 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RCM_2019_53_2_a5/ %F RCM_2019_53_2_a5