@book{31585,
	author = {Ahmad, Shair, and Ambrosetti, A.},
	title = {A textbook on ordinary differential equations /},
	publisher = {Springer,},
	year = {2015},
	series = {Unitext - La matematica per il 3+2,},
	address = {Chan Heidelberg:},
	edition = {Second edition.}
}