Mohammed N. Alkord, Sadikali L. Shaikh, Saleh S. Redhwan. “The Generalized Hilfer-Type Integro-Di?Erential Equation With Boundary Condition”. Mathematical Statistician and Engineering Applications, vol. 71, no. 4, Oct. 2022, pp. 4639-54, doi:10.17762/msea.v71i4.1059.