@Article{ fia, author = { Fiaschi, Alice }, title = { A Young measure approach to quasistatic evolution for a class of material models with nonconvex elastic energies }, journal = { ESAIM-COCV }, year = { 2009 }, volume = { 15 }, pages = { 245-278 }, URL = { http://cvgmt.sns.it/paper/1569/ }, note = { cvgmt preprint} }