Mathias Beiglböck, Christian Léonard, Walter Schachermayer. On the duality theory for the Monge?Kantorovich transport problem. In Yann Ollivier, Herve Pajot, Cédric Villani, editors, Optimal Transport - Theory and Applications. Volume 413 of London Mathematical Society lecture note series, pages 216-265, Cambridge University Press, 2014.
Abstract is missing.