@Article{ fragelpra04, author = { FragalĂ , Ilaria and Gelli, Maria Stella and Pratelli, Aldo }, title = { Continuity of an optimal transport in Monge problem }, journal = { JMPA }, year = { 2005 }, volume = { 84 }, number = { 9 }, pages = { 1261-1294 }, URL = { http://cvgmt.sns.it/paper/318/ }, note = { cvgmt preprint} }