SATO, Shuichi. Weak type estimates for functions of Marcinkiewicz type with fractional integrals of mixed homogeneity. Mathematica Scandinavica, Berkeley, CA, United States, v. 125, n. 1, p. 135–162, 2019. DOI: 10.7146/math.scand.a-114725. Disponível em: https://journals.msp.org/mscand/article/view/224. Acesso em: 24 jul. 2026.