1. Ramanujan’s Notebooks
2. [GR10] Guillera J. and Rogers M. , Mahler measure and the WZ algorithm, Preprint (2010), arXiv:1006.1654 [math.NT].
3. [Som] Somos M. , Dedekind eta function product identities, available at http://eta.math.georgetown.edu/.
4. [Wol07] The Wolfram function site, Complete elliptic integral of the third kind: identities (formula 08.03.17.0003) (2007), avalaible at http://functions.wolfram.com/08.03.17.0003.01.