SEGOVIA, Carlos. Extrapolation and commutators of singular integrals. Pro Mathematica, [S. l.], v. 8, n. 15-16, p. 145–174, 1994. Disponível em: https://revistas.pucp.edu.pe/index.php/promathematica/article/view/10188. Acesso em: 24 dic. 2025.