@Misc{ sanves09, author = { Santambrogio, Filippo and Vespri, Vincenzo }, title = { Continuity in two dimensions for a very degenerate elliptic equation }, journal = { Nonlinear Analysis A }, year = { 2010 }, pages = { }, URL = { http://cvgmt.sns.it/paper/1622/ }, note = { cvgmt preprint} }