@Article{ MonSan16, author = { Monteil, Antonin and Santambrogio, Filippo }, title = { Metric methods for heteroclinic connections }, journal = { Mathematical Methods in the Applied Sciences }, year = { 2016 }, doi = { 10.1002/mma.4072 }, pages = { on line first }, URL = { http://cvgmt.sns.it/paper/3167/ }, note = { cvgmt preprint} }