Louakar, Ayoub, Devaraj Vivek, Ahmed Kajouni, and Khalid Hilal. “Topological Degree Method for Stochastic Pantograph Differential Equation With Hilfer Fractional Derivative Involving Non-Instantaneous Impulses”. Discontinuity, Nonlinearity, and Complexity 15, no. 3 (September 1, 2026): 315–330. Accessed October 17, 2026. https://lhscientificpublishing.com/index.php/DNC/article/view/1424.