@article{AIHPC_2017__34_4_817_0,
     author = {Brasco, Lorenzo and Ruffini, Berardo},
     title = {Compact {Sobolev} embeddings and torsion functions},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {817--843},
     publisher = {Elsevier},
     volume = {34},
     number = {4},
     year = {2017},
     doi = {10.1016/j.anihpc.2016.05.005},
     mrnumber = {3661862},
     zbl = {1378.46023},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2016.05.005/}
}