HADJIREZAEI, Somayeh; KARIMZADEH, Somayeh. Matrix rings over a principal ideal domain in which elements are nil-clean. Journal of Algebra Combinatorics Discrete Structures and Applications, [S. l.], v. 3, n. 2, p. 91–96, 2016. Disponível em: https://www.jacodesmath.com/index.php/jacodesmath/article/view/34. Acesso em: 12 sep. 2026.