LANZA DE CRISTOFORIS, M. Classes of Kernels and Continuity Properties of the Tangential Gradient of an Integral Operator in Hölder Spaces on a Manifold. Eurasian Mathematical Journal, [S. l.], v. 14, n. 3, p. 54–74, 2023. DOI: 10.32523/2077-9879-2023-14-3-54-74. Disponível em: https://emj.enu.kz/index.php/main/article/view/292. Acesso em: 15 nov. 2026.