Manal Al-Labadi, Wasim Audeh, Eman Almuhur, and Nazneen Khan. “Parametrization for Singular Values Inequalities of Compact Operators”. Results in Nonlinear Analysis, vol. 8, no. 4, Feb. 2026, pp. 159–164, https://nonlinear-analysis.com/index.php/pub/article/view/717.