@conference {28985,
	title = {Nonparametric regression by nonnegative divided differences},
	booktitle = {Proceedings of the 6th Hellenic Conference on Statistics, Thessaloniki, Greek Statistical Institute, June 1993},
	year = {1993},
	month = {June 1993},
	pages = {32-39},
	author = {I. C. Demetriou}
}
