@book{9631,
	author = {Ross, Shepley L.},
	title = {Introduction to Ordinary Differential Equations,},
	publisher = {John Wiley,},
	year = {1989.},
	address = {New York},
	edition = {4th ed.},
	url = {http://10.10.170.122:8080/browse/book/27420}
}