@article{10_4153_CJM_1977_094_4, author = {Ong, Hock}, title = {Linear {Transformations} on {Matrices:} {The} {Invariance} of a {Class} of {General} {Matrix} {Functions}}, journal = {Canadian journal of mathematics}, pages = {937--946}, year = {1977}, volume = {29}, number = {5}, doi = {10.4153/CJM-1977-094-4}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-094-4/} }