@Misc{ MonSan17, author = { Monteil, Antonin and Santambrogio, Filippo }, title = { Metric methods for heteroclinic connections in infinite dimensional spaces }, journal = { Indiana Univ. Math. J. }, year = { 2018 }, pages = { }, URL = { http://cvgmt.sns.it/paper/3571/ }, note = { cvgmt preprint} }