TY  - BOOK
AU  - Gustafson,Karl E.
AU  - Rao,Duggirala K.M.
TI  - Numerical range: the field of values of linear operators and matrices 
T2  - Universitext,
SN  - 038794835X (rustica)
AV  - QA329.2 G87 1997
U1  - 515/.7246 20
PY  - 1997///
CY  - New York
PB  - Springer Verlag
KW  - Rango numérico
N1  - "With 9 figues."; Includes bibliographical references (p. [171]-185) and index
ER  -