%0 Journal Article %A Beiglböck, Mathias %A Léonard, Christian %A Schachermayer, Walter %T A generalized dual maximizer for the Monge-Kantorovich transport problem %J ESAIM: Probability and Statistics %D 2012 %P 306-323 %V 16 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ps/2011163/ %R 10.1051/ps/2011163 %G en %F PS_2012__16__306_0