@article{10_1017_S0017089521000173,
     author = {DUNCAN, JOHN and McGREGOR, COLIN M.},
     title = {HERMITIANS {IN} {MATRIX} {ALGEBRAS} {WITH} {OPERATOR} {NORM} {\textendash} {II}},
     journal = {Glasgow mathematical journal},
     pages = {376--396},
     year = {2022},
     volume = {64},
     number = {2},
     doi = {10.1017/S0017089521000173},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089521000173/}
}