“Hypo-Q-Norms on Cartesian Products of Algebras of Bounded Linear Operators on Hilbert Spaces”. Extracta Mathematicae 34, no. 2 (December 1, 2019): 201–235. Accessed December 22, 2024. https://revista-em.unex.es/index.php/EM/article/view/2605-5686.34.2.201.