ORTIZ FERNÁNDEZ, A. Alberto P. Calderón. Theory of Potential and Singular Integrals. A Historical Perspective. Selecciones Matemáticas, [S. l.], v. 4, n. 02, p. 230-241, 2017. Disponível em: https://revistas.unitru.edu.pe/index.php/SSMM/article/view/1672. Acesso em: 25 apr. 2024.