1. "Sobolev Spaces,";R. A. Adams;Academic Press,2003
2. Boundary value problems in mechanics of nonhomogeneus fluids,;S. N. Antontsev;Studies in Mathematics and its Applications (translated from Russian),1990
3. Existence of bounded solutions for non linear elliptic unilateral problems,;L. Boccardo;Annali di Matematica Pura ed Applicata,1988
4. On Lipschitz truncations of Sobolev functions (with variable exponent) and their selected applications,;L. Diening;ESAIM,2008
5. Existence of weak solutions for unsteady motion of generalized Newtonian fluids,;L. Diening;Ann. Scuola Norm. Sup. Pisa.,2010