@article{Hartley1996,
	title = {Value function approximation in the presence of uncertainty and inequality
	constraints an application to the demand for credit cards},
	author = {Peter R. Hartley},
	journal = {Journal of Economic Dynamics and Control},
	month = {00},
	number = {1-3},
	pages = {63--92},
	url = {http://www.sciencedirect.com/science/article/B6V85-3VWPNPX-G/1/872b55421c69c723932a732c1827624f},
	volume = {20},
	year = {1996},
	biburl = {http://www.bibsonomy.org/bibtex/2408d1ad29e2b498852ee66c886eb8bbd/smicha},
	keywords = {Value approximation function }
}