Decidability of yield's equality for infinite regular trees. - Max Dauchet; Erick Timmerman (Automata on Infinite Words, 1984)

Finitely Generated (Omega)o-Languages. - Michel Latteux; Erick Timmerman (Inf. Process. Lett., 1986)

Continuous Monoids and Yields of Infinite Trees. - Max Dauchet; Erick Timmerman (RAIRO Theor. Informatics Appl., 1986)

Two Characterizations of Rational Adherences. - Michel Latteux; Erick Timmerman (Theor. Comput. Sci., 1986)

On Generators of Rational omega-Power Languages. - Igor Litovsky; Erick Timmerman (Theor. Comput. Sci., 1987)

Bifaithful Starry Transductions. - Michel Latteux; Erick Timmerman (Inf. Process. Lett., 1988)

Rational omega-Transductions. - Michel Latteux; Erick Timmerman (MFCS, 1990)

The Three Subfamilies of Rational omega-Languages Closed under omega-Transduction. - Erick Timmerman (Theor. Comput. Sci., 1990)