NAZIMUDDIN, A.; ALI, M. S. Riemannian Geometry and Modern Developments. GANIT: Journal of Bangladesh Mathematical Society, [S. l.], v. 39, p. 71–85, 2019. DOI: 10.3329/ganit.v39i0.44159. Disponível em: https://www.banglajol.info/index.php/GANIT/article/view/44159. Acesso em: 25 jul. 2024.