Samira Zerbib, Khalid Hilal, Ahmed Kajouni. Some new existence results on the hybrid fractional differential equation with variable order derivative. Results in Nonlinear Analysis [Internet]. 2023 Feb. 16 [cited 2025 May 5];6(1):34-48. Available from: https://www.nonlinear-analysis.com/index.php/pub/article/view/156