CHARKAOUI, Abderrahim and BEN-LOGHFYRY, Anouar. Topological degree for some parabolic equations with Riemann-Liouville time-fractional derivatives. Topological Methods in Nonlinear Analysis. Online. 25 September 2024. Vol. 64, no. 2, pp. 597 - 619. [Accessed 17 December 2025]. DOI 10.12775/TMNA.2024.017.