1. Andrews, G.E., Askey, R., Roy, R.: Special Functions. Cambridge University Press, Cambridge (2000)
2. Bauer, G.: Von den coefficienten der Reihen von Kugelfunctionen einer Variabeln. J. Reine Angew. Math. 56, 101–121 (1859)
3. Borwein, D., Borwein, J., Girgensohn, R.: Explicit evaluation of Euler sums. Proc. Edinb. Math. Soc. 38, 277–294 (1995)
4. Borwein, J., Borwein, P.:
$$\pi $$
π
and the AGM. A Study in Analytic Number Theory and Computational Complexity. Wiley, New York (1987)
5. Campbell, J.M.: Ramanujan-like series for
$$\frac{1}{\pi }$$
1
π
involving harmonic numbers. Ramanujan J. 46(2), 373–387 (2018)