Kronecker function ring of a ring extension in pullback. Gulf Journal of Mathematics, [S. l.], v. 19, n. 2, p. 328–339, 2025. DOI: 10.56947/gjom.v19i2.2779. Disponível em: https://gjom.org/index.php/gjom/article/view/2779. Acesso em: 22 sep. 2026.