@Article{ 
  daldessol09,
  author = { Dal Maso, Gianni and DeSimone, Antonio and Solombrino, Francesco },
  title = { Quasistatic evolution for Cam-Clay plasticity: a weak formulation via viscoplastic regularization and time rescaling },
  journal = { Calc Var PDEs },
  year = { 2011 },
  doi = { 10.1007/s00526-010-0336-0 },
  volume = { 40 },
  number = { 1-2 },
  pages = { 125-181 },
  URL = { http://cvgmt.sns.it/paper/1122/ },
  note = { cvgmt preprint}
}