HOLLA, M.; BHATTACHARYA, S. K. A Note on a Normal Distribution with Varying Standard Deviation. Defence Science Journal, [S. l.], v. 15, n. 1, p. 10–12, 2014. DOI: 10.14429/dsj.15.7205. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7205. Acesso em: 17 jun. 2025.