@Article{ daldessol, author = { Dal Maso, Gianni and DeSimone, Antonio and Solombrino, Francesco }, title = { Quasistatic evolution for Cam-Clay plasticity: properties of the viscosity solution }, journal = { Calc Var PDEs }, year = { 2012 }, doi = { 10.1007/s00526-011-0443-6 }, volume = { 3-4 }, number = { 495-541 }, pages = { 44 }, URL = { http://cvgmt.sns.it/paper/1424/ }, note = { cvgmt preprint} }