@book{1425,
	author = {Ayres, Frank },
	title = {Schaum's Outlines of Theory and Problems of Differential Equations /},
	publisher = {Schaum Outline Series,},
	year = {1972.},
	address = {[S.l.] :},
	url = {http://10.10.170.122:8080/browse/book/27389}
}