ACCIARRI, C.; SHUMYATSKY, P. Varieties of groups and the problem on conciseness of words. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], p. 23, 2024. DOI: 10.2422/2036-2145.202306_017. Disponível em: https://journals.sns.it/index.php/annaliscienze/article/view/6414. Acesso em: 3 mar. 2026.