@article{Tourruc�o2007,
	title = {Approximate Formulas for Zero-coupon Bonds},
	author = {Fabricio Tourruc{\^O}o and Patrick S. Hagan and Gilberto F. Schleiniger},
	journal = {Applied Mathematical Finance},
	number = {3},
	pages = {207--226},
	publisher = {Routledge},
	url = {http://www.informaworld.com/10.1080/13504860600858204},
	volume = {14},
	year = {2007},
	biburl = {http://www.bibsonomy.org/bibtex/235a6d9e9d120d9a7f0e1b0b15a6ea599/smicha},
	issn = {1350-486X},
	keywords = {imported }
}