@book{88268,
	author = {Gal, Sorin G., and ebrary, Inc.},
	title = {Shape-preserving approximation by real and complex polynomials},
	publisher = {Birkh�auser,},
	year = {2008.},
	address = {Boston :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10395445}
}