EXTENDING A PUTNAM PROBLEM TO FIELDS OF VARIOUS CHARACTERISTICS. JP Journal of Algebra, Number Theory and Applications, [S. l.], v. 59, p. 33–45, 2022. DOI: 10.17654/0972555522037. Disponível em: https://pphmjopenaccess.com/jpjana/article/view/401. Acesso em: 5 jan. 2026.