@book{30034,
	author = {Pucci, Patrizia and Serrin, James and Serrin, James ; jt. ed.},
	title = {The maximum principle},
	publisher = {Birkhauser},
	year = {2007},
	series = {Progress in nonlinear differential equations and their applications },
	address = {Basel},
	note = {Purchased under NBHM grant for the year 2007-2008"}
}