@article {10.3844/jmssp.2009.408.410,
article_type = {journal},
title = {Elementary Combinatorial-Probabilistic Proof of the Wallis and Stirling Formulas},
author = {Kovalyov, Mikhail},
volume = {5},
year = {2009},
month = {Dec},
pages = {408-410},
doi = {10.3844/jmssp.2009.408.410},
url = {https://thescipub.com/abstract/jmssp.2009.408.410},
abstract = {This short note provides a remarkably simple derivation of the Wallis and Stirling formulas based on elementary estimates applied to binomial coefficients. As a byproduct an elementary proof of the central limit theorem for the binomial distribution is also obtained.},
journal = {Journal of Mathematics and Statistics},
publisher = {Science Publications}
}