@article {29083,
	title = {Peak estimation of univariate spectra by the best $L_1$ piecewise monotonic approximation method},
	journal = {WSEAS Transactions on Systems and Control},
	volume = {15},
	year = {2020},
	pages = {477-489},
	author = {I. C. Demetriou and IN Perdikas}
}
