@article{Dong2000,
	title = {Estimating density functions: a constrained maximum likelihood approach},
	author = {Michael X. Dong and Roger J-B Wets},
	journal = {Journal of Nonparametric Statistics},
	number = {4},
	pages = {549--595},
	publisher = {Taylor \& Francis},
	url = {http://www.informaworld.com/10.1080/10485250008832822},
	volume = {12},
	year = {2000},
	biburl = {http://www.bibsonomy.org/bibtex/264a807433fa37b96de1162f7c3a9146e/smicha},
	issn = {1048-5252},
	keywords = {imported }
}