@book{2044,
	author = {Axler, Sheldon Jay. and Bourdon, Paul.},
	title = {Harmonic function theory /},
	publisher = {Springer,},
	year = {2001.},
	address = {New York :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0815/00053771-d.html}
}