Geodesic
A Note on Gautschi's Inequality and Application to Wallis' and Stirling's Formula
Publications de l'Institut Mathématique, _N_S_99 (2016) no. 113, p. 121 .

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We present novel elementary proofs of Stirling's approximation formula and Wallis' product formula, both based on a Gautschi's inequality for the Gamma function.
DOI : 10.2298/PIM150430027L
Classification : 41A60
Keywords: Gautschi's inequality, Gamma function, Stirling's approximation, Wallis' product 
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     title = {A {Note} on {Gautschi's} {Inequality} and {Application} to {Wallis'} and {Stirling's} {Formula}},
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Martin Lukarevski. A Note on Gautschi's Inequality and Application to Wallis' and Stirling's Formula. Publications de l'Institut Mathématique, _N_S_99 (2016) no. 113, p. 121 . doi : 10.2298/PIM150430027L. http://geodesic.mathdoc.fr/articles/10.2298/PIM150430027L/

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