On ranking 1-way finitely ambiguous NL languages and # P 1 -complete census functions A. Bertoni; M. Goldwurm — 1993 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
Analysis of algorithms for the recognition of rational and context-free trace languages A. Avellone; M. Goldwurm — 1998 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications