* Simon Plouffe, "A few identities with Catalan constant and Pi^2", (1999) "(Provides a graphical interpretation of the relations)"* Catalan constant: Generalized power series at the Wolfram Functions Site* Greg Fee, "Catalan's Constant (Ramanujan's Formula)" (1996) "(Provides the first 300,000 digits of Catalan's constant.)".
* Дзета-функция Римана* Victor Adamchik, "33 representations for Catalan's constant"* Simon Plouffe, "A few identities (III) with Catalan", (1993)* Simon Plouffe, "A few identities with Catalan constant and Pi^2", (1999)* Catalan constant: Generalized power series на сайте "Wolfram Functions"* Greg Fee, "Catalan's Constant (Ramanujan's Formula)" (1996)