Kucche, Kishor D., Jyoti P. Kharade, and J. Vanterler da C. Sousa. “On the Nonlinear Impulsive Ψ–Hilfer Fractional Differential Equations”. Mathematical Modelling and Analysis 25, no. 4 (October 13, 2020): 642-660. Accessed December 22, 2024. https://jeelm.vgtu.lt/index.php/MMA/article/view/11445.