ABD, A. A. Some Results Generalized Curvature Tensor of Viesman-Grey Manifold. Quest: Journal of Geometry, Mathematical and Quantum Physics, [S. l.], v. 2, n. 3, p. 1–8, 2025. Disponível em: https://eminentpublishing.us/index.php/quest/article/view/170. Acesso em: 23 jul. 2026.