@book{12749,
	author = {Derrick, William R. and Grossman, Stanley I.},
	title = {Elementary Differential Equations /},
	publisher = {Pearson,},
	year = {1997.},
	series = {4th edition.},
	address = {[S.l.] :},
	edition = {4th ed.},
	url = {http://10.10.170.122:8080/browse/book/26446}
}