@Misc{ ColFig13, author = { Colombo, Maria and Figalli, Alessio }, title = { An excess-decay result for a class of degenerate elliptic equations }, journal = { Discrete Contin. Dyn. Syst. }, year = { 2013 }, pages = { }, URL = { http://cvgmt.sns.it/paper/2300/ }, note = { cvgmt preprint} }