@Article{ BonOrlOud19, author = { Bonafini, Mauro and Orlandi, Giandomenico and Oudet, Edouard }, title = { Variational approximation of functionals defined on 1-dimensional connected sets in $\mathbb{R}^n$ }, journal = { Advances in Calculus of Variations }, year = { 2019 }, doi = { 10.1515/acv-2019-0031 }, pages = { 17 }, URL = { http://cvgmt.sns.it/paper/4284/ }, note = { cvgmt preprint} }