@Article{ CesCir19, author = { Cesaroni, Annalisa and Cirant, Marco }, title = { Brake orbits and heteroclinic connections for first order Mean Field Games }, journal = { Trans. Amer. Math. Soc. }, year = { 2021 }, volume = { 374 }, number = { 7 }, pages = { 5037-5070 }, URL = { http://cvgmt.sns.it/paper/4539/ }, note = { cvgmt preprint} }