Abedi, Sajjad, and Mohammad Sal Moslehian. “Two Classes of $C^*$-Power-Norms Based on Hilbert $C^*$-Modules”. Mathematica Scandinavica 130, no. 2 (May 27, 2024). Accessed July 24, 2026. https://journals.msp.org/mscand/article/view/56.