KAGAN, A.; SHALAEVSKY, O. Characterization of normal law by a property of the non-central χ²-distribution. Lithuanian Mathematical Journal, [S. l.], v. 7, n. 1, p. 57–58, 1967. DOI: 10.15388/LMJ.1967.19934. Disponível em: https://www.journals.vu.lt/LMJ/article/view/19934.. Acesso em: 3 may. 2024.