BIKELIS, A. On the central limit theorem in R^k. II. Lithuanian Mathematical Journal, [S. l.], v. 12, n. 1, p. 73–84, 1972. DOI: 10.15388/LMJ.1972.21081. Disponível em: https://journals.vu.lt./LMJ/article/view/21081. Acesso em: 26 apr. 2025.