RAJESWARI, Kota Nagalakshmi; GUPTA, Umesh. Characterization of $2\times 2$ nil-clean matrices over integral domains. Journal of Algebra Combinatorics Discrete Structures and Applications, [S. l.], v. 5, n. 3, p. 117–127, 2018. DOI: 10.13069/jacodesmath.451229. Disponível em: https://www.jacodesmath.com/index.php/jacodesmath/article/view/90. Acesso em: 12 sep. 2026.