@Misc{ MonSuh18, author = { Mondino, Andrea and Suhr, Stefan }, title = { An optimal transport formulation of the Einstein equations of general relativity }, journal = { Journal of the European Math. Society (JEMS) }, year = { 2018 }, pages = { 60 }, URL = { http://cvgmt.sns.it/paper/4087/ }, note = { cvgmt preprint} }