%0 Journal Article %A Chełmiński, Krzysztof %A Kałamajska, Agnieszka %T New convexity conditions in the calculus of variations and compensated compactness theory %J ESAIM: Control, Optimisation and Calculus of Variations %D 2006 %P 64-92 %V 12 %N 1 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/cocv:2005034/ %R 10.1051/cocv:2005034 %G en %F COCV_2006__12_1_64_0