@book{30034,
	author = {Smith, G. D. and Smith, G. D.},
	title = {Numerical solution of partial differential equations :},
	publisher = {Oxford University Press, USA,},
	year = {1978.},
	series = {Oxford applied mathematics & computing science series.},
	address = {[S.l.] :},
	edition = {2nd ed.}
}