BIKELIS, A. On the central limit theorem in R^k. III. Lithuanian Mathematical Journal, [S. l.], v. 12, n. 3, p. 19–35, 1972. DOI: 10.15388/LMJ.1972.21125. Disponível em: https://www.journals.vu.lt/LMJ/article/view/21125.. Acesso em: 19 may. 2024.