@book{29149,
	author = {Pinsky, Mark A.},
	title = {Partial differential equations and boundary value problems with applications /},
	publisher = {Mcgraw-Hill College,},
	year = {1991.},
	series = {International series in pure and applied mathematics.},
	address = {[S.l.] :},
	edition = {2 Sub ed.}
}