%0 Journal Article %A Wagner, Marcus %T On the lower semicontinuous quasiconvex envelope for unbounded integrands (I) %J ESAIM: Control, Optimisation and Calculus of Variations %D 2009 %P 68-101 %V 15 %N 1 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/cocv:2008067/ %R 10.1051/cocv:2008067 %G en %F COCV_2009__15_1_68_0