TY  - BOOK
AU  - Gustafron, Kart
AU  - Rao, Duggirala
TI  - Numerical Range : The Field of Values of Linear Operations and Matrices
SN  - 038794835X
PY  - 1996///
CY  - New York
PB  - Springer-Verlag
KW  - Numerical Range
ER  -