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, [S. l.], v. 78, p. 84–92, 1996. DOI: 10.7146/math.scand.a-12575. Disponível em: https://tidsskrift.dk/math/article/view/12575. Acesso em: 14 aug. 2026.