1. V. Adamchik, “Thirty-three representations of Catalan’s constant.” https://library.wolfram.com/infocenter/Demos/109/
2. K. N. Boyadzhiev, Special Techniques for Solving Integrals: Examples and Problems (World Scientific, River Edge, NJ, 2022).
3. G. Boros and V. H. Moll, Irresistible Integrals (Cambridge Univ. Press, Cambridge, 2004).
4. D. M. Bradley, “Representations of Catalan’s constant” (2001). www.researchgate.net/publication/2325473
5. I. S. Gradshteyn and I. M. Ryzhik, Tables of Integrals, Series, and Products, 7th ed. (Academic, New York, 2007).