@article {aja2005fast,
	title = {Fast inference using transition matrices: An extension to nonlinear operators},
	journal = {Fuzzy Systems, IEEE Transactions on},
	volume = {13},
	number = {4},
	year = {2005},
	pages = {478{\textendash}490},
	publisher = {IEEE},
	author = {Santiago Aja-Fern{\'a}ndez and Carlos Alberola-Lopez}
}
