%0 Journal Article %A V. V. Zhikov %A S. E. Pastukhova %T Improved integrability of the gradients of solutions of elliptic equations with variable nonlinearity exponent %J Sbornik. Mathematics %D 2008 %P 1751-1782 %V 199 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2008_199_12_a1/ %G en %F SM_2008_199_12_a1