1. "[1] Adams, R.A., Fournier, J.J.F., Fournier, Sobolev spaces, 2nd ed., Vol. 140, Pure and Applied Mathematics, Amsterdam, Elsevier, Academic Press, 2003.
2. [2] Aharouch, L., Azroul, E., Rhoudaf, M., Existence result for variational degenerated parabolic problems via pseudo-monotonicity, EJDE, 14(2006), 9-20, ISSN: 1072-6691.
3. [3] Amann, H., Ordinary Differential Equations: An Introduction to Nonlinear Analysis, Berlin, De Gruyter, 1990.
4. [4] Azroul, E., Balaadich, F., Weak solutions for generalized p-Laplacian systems via Young measures, Moroccan J. of Pure and Appl. Anal., 4(2018), no. 2, 76-83.
5. [5] Azroul, E., Balaadich, F., Strongly quasilinear parabolic systems in divergence form with weak monotonicity, Khayyam J. Math., 6(2020), no 1, 57-72.