TY  - JOUR
AU  - Yik-Hoi Au-Yeung
TI  - A Simple Proof of the Convexity of the Field of Values Defined by Two Hermitian Forms.
JO  - Aequationes mathematicae
PY  - 1975
SP  - 82
EP  - 83
VL  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1975__12_136483/
ID  - AM2_1975__12_136483
ER  -