NASRI, R; DJAA, M. SUR LA COURBURE DES VARIETES RIEMANNIENNES PRODUITS. Sciences & Technology. A, exactes sciences, [S. l.], n. 24, p. 15–20, 2006. Disponível em: https://revue.umc.edu.dz/a/article/view/132. Acesso em: 3 may. 2024.