YOUSSEF, N. L.; SID-AHMED, A. M.; TAWFIK, K. A. Almost Golden Structures, Nonlinear Connections and Sprays. Contemporary Mathematics , [S. l.], v. 6, n. 5, p. 6377–6390, 2025. DOI: 10.37256/cm.6520255569. Disponível em: https://ojs.wiserpub.com/index.php/CM/article/view/5569. Acesso em: 10 jan. 2026.