Mizuta, Yoshihiro, Takao Ohno, Tetsu Shimomuraand, and Naoki 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”. Annales Fennici Mathematici 35, no. 1 (February 1, 2010): 115–130. Accessed April 10, 2025. https://afm.journal.fi/article/view/135297.