K. BENALIA, K. BEDDEK, T. SIFAOUI, and B. OUKACHA, “A new computational method based on the Picard iteration method for solving boundary optimal control problems governed by PDEs with two-point boundary conditions”, Stud. Univ. Babeş-Bolyai Math., vol. 71, no. 1, pp. 163–176, Mar. 2026.