@Article{ Sol12, author = { Solombrino, Francesco }, title = { Quasistatic evolution in perfect plasticity for general heterogeneous materials. }, journal = { Arch. Rat. Mech. Anal. }, year = { 2014 }, doi = { 10.1007/s00205-013-0703-z }, volume = { 212 }, number = { 1 }, pages = { 283-330 }, URL = { http://cvgmt.sns.it/paper/1803/ }, note = { cvgmt preprint} }