@Article{ ChaLusVil19, author = { Chambolle, Antonin and Lussardi, Luca and Villa, Elena }, title = { Anisotropic tubular neighborhoods of sets }, journal = { Math. Z. }, year = { 2021 }, volume = { 299 }, number = { 3-4 }, pages = { 18 }, URL = { http://cvgmt.sns.it/paper/4397/ }, note = { cvgmt preprint} }