Some best approximation formulas and inequalities for the Wallis ratio
作者：
Highlights：
•
摘要
In the paper, the authors establish some best approximation formulas and inequalities for the Wallis ratio. These formulas and inequalities improve an approximation formula and a double inequality for the Wallis ratio presented in 2013 by three mathematicians.
论文关键词：Wallis ratio,Best approximation formula,Double inequality,Asymptotic series
论文评审过程：Available online 17 January 2015.
论文官网地址：https://doi.org/10.1016/j.amc.2014.12.039
