MathSciNet bibliographic data MR1956226 (2003k:11194) 11Y60 (11F27 33E05) Chan, Heng Huat Ramanujan's elliptic functions to alternative bases and approximations to $\pi$$\pi$. Number theory for the millennium, I (Urbana, IL, 2000), 197–213, A K Peters, Natick, MA, 2002. Links to the journal or article are not yet available

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