Robuta

https://www.boost.org/doc/libs/1_78_0/libs/math/doc/html/special.html
special functionschapter
https://www.mdpi.com/journal/fractalfract/special_issues/Fract_Calculus
Fractal and Fractional, an international, peer-reviewed Open Access journal.
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https://algo.inria.fr/esf/function/ACCS/ACCS/NDIBACCSIBSBGBIBdiffeqIBPD.html
MAD: Mathematical Abstract Document
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https://jikji.utah.edu/groiler-panel/
special functionspanel discussionjikjigutenberg
https://www.wolfram.com/wolfram-u/courses/mathematics/introduction-to-special-functions/
Intro to special functions, properties and applications using Wolfram Language. Learn foundational methods, gamma and zeta families, special integrals, Bessel...
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https://www.arxiv.org/abs/1706.00393
Abstract page for arXiv paper 1706.00393: Generating Special Arithmetic Functions by Lambert Series Factorizations
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