BRAVERMAN, M.; SAMORODNITSKY, G. $L^1$ Norm of Lévy Processes with Exponential Tails. Mathematica Scandinavica, Berkeley, CA, United States, v. 78, p. 213–232, 1996. DOI: 10.7146/math.scand.a-12584. Disponível em: https://journals.msp.org/mscand/article/view/1051. Acesso em: 25 jul. 2026.