TY - JOUR AU - Fonseca, Irene AU - Kružík, Martin TI - Oscillations and concentrations generated by ${\mathcal {A}}$-free mappings and weak lower semicontinuity of integral functionals JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2010 SP - 472 EP - 502 VL - 16 IS - 2 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/cocv/2009006/ DO - 10.1051/cocv/2009006 LA - en ID - COCV_2010__16_2_472_0 ER -