Formula di Leibniz per pi (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Formula di Leibniz per pi" in Italian language version.

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archive.org

(EN) Jonathan Borwein, David Bailey e Roland Girgensohn, Sequences, Series, Products and Integrals, in Experimentation in Mathematics - Computational Paths to Discovery, Natick, Massachusetts, A K Peters, 2004, pp. 28-30, ISBN 978-1-56881-136-9.

wolfram.com

mathworld.wolfram.com

(EN) Eric W. Weisstein, Gregory Series, in MathWorld, Wolfram Research.