%0 Journal Article %A Pratelli, Aldo %T How to show that some rays are maximal transport rays in Monge Problem %J Rendiconti del Seminario Matematico della Università di Padova %D 2005 %P 179-201 %V 113 %I Seminario Matematico of the University of Padua %U http://archive.numdam.org/item/RSMUP_2005__113__179_0/ %G en %F RSMUP_2005__113__179_0