CHEN, Y.; DING, Y. A charaterization of commutators for parabolic singular integrals. MATHEMATICA SCANDINAVICA, [S. l.], v. 108, n. 1, p. 5–25, 2011. DOI: 10.7146/math.scand.a-15158. Disponível em: https://www.mscand.dk/article/view/15158. Acesso em: 4 may. 2024.