@article {FraSch06,
	title = {A unifying view of {Wiener} and {Volterra} theory and polynomial kernel regression},
	journal = {Neural Computation},
	volume = {18},
	number = {12},
	year = {2006},
	pages = {3097~{\textendash}~3118},
	author = {M O Franz and Sch{\"o}lkopf, B}
}
