Al-Refai, Mohammed, and Kamal Pal. “A Maximum Principle for a Fractional Boundary Value Problem With Convection Term and Applications”. Mathematical Modelling and Analysis 24, no. 1 (January 1, 2019): 62-71. Accessed November 25, 2024. https://jcem.vgtu.lt/index.php/MMA/article/view/298.