CRUPI, Marilena; FICARRA, Antonino; LAX, Ernesto. Principal vector-spread Borel ideals. Mathematica Scandinavica, Berkeley, CA, United States, v. 132, n. 1, p. 33–47, 2026. DOI: 10.2140/mscand.2026.132.33. Disponível em: https://journals.msp.org/mscand/article/view/5. Acesso em: 30 jul. 2026.