Dragomir, Silvestru Sever Operator refinements of Schwarz inequality in inner product spaces. (English) Zbl 1430.46018 Linear Multilinear Algebra 67, No. 9, 1839-1855 (2019). MSC: 46C05 26D15 PDF BibTeX XML Cite \textit{S. S. Dragomir}, Linear Multilinear Algebra 67, No. 9, 1839--1855 (2019; Zbl 1430.46018) Full Text: DOI OpenURL
Walker, Stephen G. A self-improvement to the Cauchy-Schwarz inequality. (English) Zbl 1416.60040 Stat. Probab. Lett. 122, 86-89 (2017). MSC: 60E15 26D15 PDF BibTeX XML Cite \textit{S. G. Walker}, Stat. Probab. Lett. 122, 86--89 (2017; Zbl 1416.60040) Full Text: DOI OpenURL