BIKELIS, A. On the remainder terms of the asymptotic expansions of the characteristic functions and their derivates. Lithuanian Mathematical Journal, [S. l.], v. 7, n. 4, p. 571–582, 1967. DOI: 10.15388/LMJ.1967.20003. Disponível em: https://www.zurnalai.vu.lt/LMJ/article/view/20003. Acesso em: 4 may. 2025.