@conference {29056,
	title = {The Karush-Kuhn-Tucker Test of Convexity of Univariate Observations and Certain Economic Applications},
	booktitle = {Proceedings of the World Congress on Engineering 2007, Imperial College, London, U.K., 2-4 July},
	volume = {Vo. II},
	year = {2007},
	pages = {967-973},
	author = {I. C. Demetriou and SA Georgiadou}
}
