JERISON, David S.; KENIG, Carlos E. Hardy spaces, $A_\infty$, and singular integrals on chord-arc domains. Mathematica Scandinavica, Berkeley, CA, United States, v. 50, p. 221–247, 1982. DOI: 10.7146/math.scand.a-11956. Disponível em: https://journals.msp.org/mscand/article/view/1693. Acesso em: 25 jul. 2026.