STATULEVIČIUS, V. On asymptotic expansions of the characteristic functions of the sum of independent random values. Lithuanian Mathematical Journal, [S. l.], v. 2, n. 2, p. 227–232, 1962. DOI: 10.15388/LMJ.1962.19358. Disponível em: https://www.journals.vu.lt/LMJ/article/view/19358.. Acesso em: 6 may. 2024.