Some Rational Approximations and Bounds for Bateman's G-Function. - Omelsaad Ahfaf; Mansour Mahmoud; Ahmed Talat (Symmetry, 2022)

Bounds and Completely Monotonicity of Some Functions Involving the Functions ψ′(l) and ψ″(l). - Omelsaad Ahfaf; Ahmed Talat; Mansour Mahmoud (Symmetry, 2022)

An Asymptotic Expansion for the Generalized Gamma Function. - Mansour Mahmoud; Hanan Almuashi; Hesham Moustafa (Symmetry, 2022)

On Some Asymptotic Expansions for the Gamma Function. - Mansour Mahmoud; Hanan Almuashi (Symmetry, 2022)

On Some Bounds for the Gamma Function. - Mansour Mahmoud; Saud M. Alsulami; Safiah Almarashi (Symmetry, 2023)

New Accurate Approximation Formula for Gamma Function. - Mansour Mahmoud; Hanan Almuashi (Symmetry, 2024)