FRENNEMO, Lennart. Tauberian Problems for the $n$-Dimensional Laplace Transform. MATHEMATICA SCANDINAVICA, [S. l.], v. 19, p. 41–53, 1966. DOI: 10.7146/math.scand.a-10794. Disponível em: https://tidsskrift.dk/math/article/view/10794. Acesso em: 14 aug. 2026.