GODOY, T.; URCIUOLO, M. About the $L^p$-Boundedness of Integral Operators with Kernels of the Form $K_1(x-y)K_2(x+y)$. Mathematica Scandinavica, Berkeley, CA, United States, v. 78, p. 84–92, 1996. DOI: 10.7146/math.scand.a-12575. Disponível em: https://journals.msp.org/mscand/article/view/1053. Acesso em: 24 jul. 2026.