%0 Journal Article %A Daniela Giachetti %A %T Boundary higher integrability for the gradient of distributional solutions of nonlinear systems %J Studia Mathematica %D 1997 %P 175-184 %V 123 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-123-2-175-184/ %R 10.4064/sm-123-2-175-184 %G en %F 10_4064_sm_123_2_175_184