@book{3485,
	author = {Ayres, Frank. },
	title = {Schaum's outline of theory and problems of differential eqations in SI metric units /},
	publisher = {McGraw-Hill International,},
	year = {c1981.},
	series = {Schaum's outline series.},
	address = {Singapore :},
	edition = {1st SI ed.},
	note = {Includes index.}
}