@article{RCM_2019_53_2_a5,
     author = {Irene Erazo and John L\'opez and Carlos Trujillo},
     title = {A combinatorial problem that arose in integer {B3} {Sets}},
     journal = {Revista colombiana de matematicas},
     pages = {195--203},
     publisher = {mathdoc},
     volume = {53},
     number = {2},
     year = {2019},
     url = {http://geodesic.mathdoc.fr/item/RCM_2019_53_2_a5/}
}