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Transformation of generalized Lambert series (Page 1) / Formulas / Math Is Fun Forum
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https://avesis.akdeniz.edu.tr/yayin/5ab240dd-3930-40d7-95ec-f48823a426b4/relations-between-theta-functions-hardy-sums-eisenstein-and-lambert-series-in-the-transformation-formula-of-log-etag-hz
Relations between theta-functions Hardy sums Eisenstein and Lambert series in the transformation...
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https://math.libretexts.org/Bookshelves/Combinatorics_and_Discrete_Mathematics/An_Introduction_to_Number_Theory_(Veerman)/04%3A_Number_Theoretic_Functions/4.05%3A_New_Page
4.5: Dirichlet and Lambert Series - Mathematics LibreTexts
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