2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/169506We prove certain $L^p$ estimates ($1<p<\infty$) for non-isotropic singular integrals along surfaces of revolution. As an application we obtain $L^p$ boundedness of the singular integrals under a sharp size condition on their kernels.Classical Analysis and ODEs42B20, 42B25text