BENKACI-ALI N. Coupled system of sequential partial σ (., .) Hilfer fractional differential equations with weighted double phase operator: Existence, Hyers-Ulam stability and controllability. Stud. Univ. Babeş-Bolyai Math. [Internet]. 2024 Dec. 13 [cited 2025 Jun. 13];69(4):825–848. Available from: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/8604