%0 Journal Article %A E. L. C. Fanti %A L. S. Silva %T Some properties of $E(G,W,\mathcal{F}_TG)$ and~an~application in the theory of splittings of~groups %J Algebra and discrete mathematics %D 2020 %P 179-193 %V 30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2020_30_2_a2/ %G en %F ADM_2020_30_2_a2