@Misc{ jimsan11, author = { Jimenez, ChloƩ and Santambrogio, Filippo }, title = { Optimal transportation for a quadratic cost with convex constraints and applications }, journal = { J. Math. Pures et Appl. }, year = { 2011 }, pages = { }, URL = { http://cvgmt.sns.it/paper/932/ }, note = { cvgmt preprint} }