TY - JOUR AU - Fiaschi, Alice TI - A Young measures approach to quasistatic evolution for a class of material models with nonconvex elastic energies JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2009 SP - 245 EP - 278 VL - 15 IS - 2 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv:2008030/ DO - 10.1051/cocv:2008030 LA - en ID - COCV_2009__15_2_245_0 ER -