@book{34594,
	author = {O'Regan, Donal and Cho, Yeol Je},
	title = {Topological degree theory and applications /},
	publisher = {Chapman & Hall/CRC,},
	year = {2006},
	address = {Boca Raton, FL :},
	url = {http://www.loc.gov/catdir/toc/fy0611/2006042636.html}
}