@book{44008,
	author = {Chen Charpentier, Benito and Manero Brito, Octavio, },
	title = {Solucion numerica de ecuaciones diferenciales parciales por diferencias finitas / },
	publisher = {IPN, },
	year = {1987},
	address = {Patzcuaro, Mich. Mexico :},
	edition = {1a ed.}
}