Prestel, A. <br/><br/>
Positive polynomials :  from Hilbert's 17th problem to real algebra / 
Alexander Prestel, Charles N. Delzell. 
 - Berlin ;  New York :  Springer,  c2001. 
 - viii, 267 p. :  ill. ; 
<br/><br/><label>ISBN: </label>9783540412151 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Polynomials.<br/>Topological fields.<br/>Semialgebraic sets.
<br/><br/><label>Universal Decimal Class. No.: </label>512.622  / PRE