%0 Journal Article %A Bensmail, Julien %A Fioravantes, Foivos %T On proper $2$-labellings distinguishing by sums, multisets or products %J Discussiones Mathematicae. Graph Theory %D 2024 %P 863-878 %V 44 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2024_44_3_a2/ %G en %F DMGT_2024_44_3_a2