1. The Monadic Theory of ω1, Decidable Theories II;Büchi,1977
2. Solving sequential conditions by finite-state strategy;Büchi;Trans. Amer. Math. Soc.,1969
3. Theory of ω-languages. I. Characterizations of ω-context-free languages;Cohen;J. Comput. System Sci.,1977
4. ω-computations on deterministic pushdown machines;Cohen;J. Comput. System Sci.,1978
5. J. Duparc, La forme normale des Boréliens de rangs finis, Thèse de Doctorat, Université Denis Diderot Paris VII, Juillet, 1995.