GRIMVALL, Anders. A Theorem on Convergence to a Lévy Process. MATHEMATICA SCANDINAVICA, [S. l.], v. 30, p. 339–349, 1972. DOI: 10.7146/math.scand.a-11090. Disponível em: https://tidsskrift.dk/math/article/view/11090. Acesso em: 14 aug. 2026.