Gustafson, Karl E., <br/><br/>
Numerical range :  the field of values of linear operators and matrices / 
Karl E. Gustafson, Duggirala K.M. Rao 
 - xiv, 189 páginas :  ilustraciones ; 
 - Universitext,  0172-5939 .
<br/><br/> "With 9 figues." 
<br/><br/>Includes bibliographical references (p. [171]-185) and index. 
<br/><br/><label>ISBN: </label>038794835X (rustica) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rango numérico
<br/><br/><label>LC Class. No.: </label>QA329.2  / G87 1997 
<br/><br/><label>Dewey Class. No.: </label>515/.7246