[1]
Y. Mizuta, T. Ohno, T. Shimomuraand, and N. Shioji, “Compact embeddings for Sobolev spaces of variable exponents and existence of solutions for nonlinear elliptic problems involving the p(x)-Laplacian and its critical exponent”, Ann. Fenn. Math., vol. 35, no. 1, pp. 115–130, Feb. 2010.