@article {29061,
	title = {An Algorithm for Distributed Lag Estimation Subject to Piecewise Monotonic Coefficients},
	journal = {IAENG International Journal of Applied Mathematics},
	volume = {Vol. 39},
	year = {2009},
	pages = {82-91},
	author = {E.E. Vassiliou and I. C. Demetriou}
}
