The following publications are possibly variants of this publication:
- The $$\psi $$-Hilfer fractional calculus of variable order and its applicationsJ. Vanterler da C. Sousa, J. A. Tenreiro Machado, E. Capelas De Oliveira. cam, 39(4), 2020. [doi]
- ψ-Hilfer fractional operatorJ. Vanterler da C. Sousa, E. Capelas De Oliveira. cnsns, 77:305-311, 2019. [doi]
- ψ-Hilfer fractional derivativeJ. Vanterler da C. Sousa, E. Capelas De Oliveira. cnsns, 60:72-91, 2018. [doi]
- Ulam-Hyers type stability for $$\psi $$-Hilfer fractional differential equations with impulses and delayK. B. Lima, J. Vanterler da C. Sousa, E. Capelas De Oliveira. cam, 40(8), 2021. [doi]