1. A. S. Holevo, Quantum Systems, Channels, Information. A Mathematical Introduction (De Gruyter, Berlin, 2012).
2. M. A. Nielsen and I. L. Chuang, Quantum Computation and Quantum Information (Cambridge Univ. Press, Cambridge, 2000).
3. M. M. Wilde, Quantum Information Theory (Cambridge Univ. Press, Cambridge, 2013).
4. H. Ghourchian, A. Gohari, and A. Amini, ‘‘Existence and continuity of differential entropy for a class of distributions,’’ IEEE Commun. Lett. 21, 1469–1472 (2017).
5. L. Mirsky, ‘‘Symmetric gauge functions and unitarily invariant norms,’’ Quart. J. Math. Oxford 2 (11), 50–59 (1960).