FERRETTI, A.; ZANNIER, U. Equations in the Hadamard ring of rational functions. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 6, n. 3, p. 457-475, 2009. DOI: 10.2422/2036-2145.2007.3.05. Disponível em: https://journals-dev.sns.it/index.php/annaliscienze/article/view/132. Acesso em: 26 may. 2026.