%0 Journal Article %A Bruno Franchi %A %T Gehring's lemma for metrics and higher integrability of the gradient for minimizers of noncoercive variational functionals %J Studia Mathematica %D 1996 %P 1-22 %V 120 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4064/sm-120-1-1-22/ %R 10.4064/sm-120-1-1-22 %G en %F 10_4064_sm_120_1_1_22