GRIMVALL, Anders. A Theorem on Convergence to a Lévy Process. Mathematica Scandinavica, Berkeley, CA, United States, v. 30, p. 339–349, 1972. DOI: 10.7146/math.scand.a-11090. Disponível em: https://journals.msp.org/mscand/article/view/2236. Acesso em: 25 jul. 2026.