FUGLEDE, B. On Generalized Potentials of Functions in the Lebesgue Classes. MATHEMATICA SCANDINAVICA, [S. l.], v. 8, p. 287–304, 1960. DOI: 10.7146/math.scand.a-10612. Disponível em: https://www.mscand.dk/article/view/10612. Acesso em: 5 may. 2024.