@book{33840,
	author = {Colton, David L., 1943-},
	title = {Partial differential equations},
	publisher = {Dover Publications},
	year = {2004},
	address = {Mineola, N.Y.},
	note = {Originalmente publicado : New York : Random House, c1988, in series: Random House/Birkhäuser mathematics series}
}