Twice Differentiable Ostrowski Type Tensorial Norm Inequality for Continuous Functions of Selfadjoint Operators in Hilbert Spaces. Eur. J. Pure Appl. Math. [Internet]. 2023 Jul. 30 [cited 2024 Jul. 3];16(3):1421-33. Available from: https://ejpam.com/index.php/ejpam/article/view/4843