Different Approach by System of Differential Equations for the Characterization Position Vector of Spacelike Curves. Punjab University Journal of Mathematics, [S. l.], v. 53, n. 4, p. 231–245, 2025. Disponível em: https://pujm.pu.edu.pk/index.php/pujm/article/view/265. Acesso em: 29 jun. 2025.