A. LOUAKAR, D. VIVEK, A. KAJOUNI, and K. HILAL, “Existence, uniqueness and continuous dependence results of coupled system of Hilfer fractional stochastic pantograph equations with nonlocal integral conditions”, Stud. Univ. Babeş-Bolyai Math., vol. 70, no. 3, pp. 391–408, Sep. 2025.