TY - JOUR AU - Ong, Hock TI - Linear Transformations on Matrices: The Invariance of a Class of General Matrix Functions JO - Canadian journal of mathematics PY - 1977 SP - 937 EP - 946 VL - 29 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-094-4/ DO - 10.4153/CJM-1977-094-4 ID - 10_4153_CJM_1977_094_4 ER -