Qian, Wei-Mao; He, Zai-Yin; Chu, Yu-Ming Approximation for the complete elliptic integral of the first kind. (English) Zbl 1434.33023 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 2, Paper No. 57, 12 p. (2020). MSC: 33E05 26E60 PDF BibTeX XML Cite \textit{W.-M. Qian} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 2, Paper No. 57, 12 p. (2020; Zbl 1434.33023) Full Text: DOI
Wang, Jun-Li; Qian, Wei-Mao; He, Zai-Yin; Chu, Yu-Ming On approximating the Toader mean by other bivariate means. (English) Zbl 07067877 J. Funct. Spaces 2019, Article ID 6082413, 7 p. (2019). MSC: 46 PDF BibTeX XML Cite \textit{J.-L. Wang} et al., J. Funct. Spaces 2019, Article ID 6082413, 7 p. (2019; Zbl 07067877) Full Text: DOI
He, Zai-Yin; Qian, Wei-Mao; Jiang, Yun-Liang; Song, Ying-Qing; Chu, Yu-Ming Bounds for the combinations of Neuman-Sándor, arithmetic, and second Seiffert means in terms of contraharmonic mean. (English) Zbl 1272.26030 Abstr. Appl. Anal. 2013, Article ID 903982, 5 p. (2013). MSC: 26E60 26D07 PDF BibTeX XML Cite \textit{Z.-Y. He} et al., Abstr. Appl. Anal. 2013, Article ID 903982, 5 p. (2013; Zbl 1272.26030) Full Text: DOI