@Article{ ZunSte16, author = { Sternberg, Peter and Zuniga, Andres }, title = { On the heteroclinic connection problem for multi-well gradient systems }, journal = { J. Differential Equations }, year = { 2016 }, doi = { 10.1016/j.jde.2016.06.010 }, volume = { 261 }, number = { 7 }, pages = { 3987-4007 }, URL = { http://cvgmt.sns.it/paper/4203/ }, note = { cvgmt preprint} }