@Misc{ DiMGer19, author = { Di Marino, Simone and Gerolin, Augusto }, title = { An Optimal Transport approach for the Schrödinger bridge problem and convergence of Sinkhorn algorithm }, journal = { }, year = { 2019 }, pages = { }, URL = { http://cvgmt.sns.it/paper/4521/ }, note = { cvgmt preprint} }