@article{CRMATH_2018__356_8_859_0,
     author = {Antonucci, Clara and Gobbino, Massimo and Migliorini, Matteo and Picenni, Nicola},
     title = {On the shape factor of interaction laws for a non-local approximation of the {Sobolev} norm and the total variation},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {859--864},
     publisher = {Elsevier},
     volume = {356},
     number = {8},
     year = {2018},
     doi = {10.1016/j.crma.2018.05.014},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2018.05.014/}
}