@book{31583,
	author = {Noonburg, V. W. and Noonburg, V. W.},
	title = {Differential equations :},
	publisher = {American Mathematical Society; MAA Press,},
	year = {2019.},
	series = {AMS/MAA textbooks ;},
	address = { [Providence, RI], :},
	edition = {2nd ed.},
	note = {Includes an index.}
}