%0 Journal Article %A Augat, Meric %A McCarthy, John E. %T Operator noncommutative functions %J Canadian mathematical bulletin %D 2023 %P 492-508 %V 66 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/S0008439522000339/ %R 10.4153/S0008439522000339 %F 10_4153_S0008439522000339