Characterization of the Hilbert-Samuel polynomials of curve singularities Juan Elias — 1990 Compositio Mathematica
A Sharp Bound for the Minimal Number of Generators of Perfect Height Two Ideals. Juan Elias — 1986 Manuscripta mathematica
A note on the one-dimensional systems of formal equations Juan Elias — 1989 Annales de l'institut Fourier On this paper we compute the numerical function β of the approximation theorem of M. Artin for the one-dimensional systems of formal equations.