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Convergent expansions of the incomplete gamma functions in terms of elementary functions
(World Scientific Publishing, 2017) info:eu-repo/semantics/article,
We consider the incomplete gamma function γ(a,z) for Ra>0 and z∈C. We derive several convergent expansions of z−aγ(a,z) in terms of exponentials and rational functions of z that hold uniformly in z with Rz bounded from ...