@book{53677,
	author = {Yusuf, S.M.; Majeed, A.; Amin, M.},
	title = {Mathematical methods},
	publisher = {Ilmi Kitab Khana,},
	year = {2009.},
	address = {Lahore :},
	edition = {2nd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/B0010ZXSGC/chopaconline-20}
}