Gal, Sorin G. Shape-preserving approximation by real and complex polynomials [electronic resource] / by Sorin G. Gal. - Boston, MA : Birkhauser Boston, 2008. - xiii, 352 p. : digital ; 25 cm. ISBN: 9780817647032 (electronic bk.) 9780817647025 (paper) Subjects--Topical Terms: Approximation theory.Bernstein polynomials.Multivariate analysis. LC Class. No.: QA221 / .G34 2008 Dewey Class. No.: 511.4