%0 Journal Article %A Nicola Fusco %A John E. Hutchinson %T A Direct proof for lower semicontinuity of polyconvex functionals. %J Manuscripta mathematica %D 1995 %P 35-50 %V 87 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1995__87_4_156073/ %F MM2_1995__87_4_156073