TY  - JOUR
AU  - A.R. Amir-Moéz
TI  - Some Equalities in a Unitary Space leading to Equalities concerning Singular Values of Sets of Matrices.
JO  - Mathematische Annalen
PY  - 1958
SP  - 388
EP  - 390
VL  - 135
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1958__135_160629/
ID  - MAN_1958__135_160629
ER  -