@book{11002,
	author = {Biswal, Purna Chandra },
	title = {Ordinary differential equations, second edition},
	publisher = {PHI Learning Private Limited,},
	year = {2012.},
	address = {[S.l.] :},
	edition = {2nd ed.},
	note = {Kindle eBook.},
	url = {http://www.amazon.com/exec/obidos/ASIN/B00AKWTX9C/chopaconline-2}
}