Serge Rouveyrol Yves Chiaramella Francesca Leinardi Joanna Janik Bruno Marmol Carole Silvy Catherine Allauzun http://arxiv.org/abs/cs/0412001 2004 CoRR abs/cs/0412001 db/journals/corr/corr0412.html#abs-cs-0412001 informal publication