Prestel, A., 1941- Positive polynomials : from Hilbert's 17th problem to real algebra / Alexander Prestel, Charles N. Delzell. - viii, 267 p. : ill. ; 25 cm. - Springer monographs in mathematics, 1439-7382 . ISBN: 3540412158 LCCN: 2001020855 Subjects--Topical Terms: PolynomialsTopological fieldsSemialgebraic sets LC Class. No.: QA161.P59 / P74 2001