Geometric Characterizations of Euclidean Spheres Using the Tangential Component of the Position Vector. JANOLI International Journal of Mathematical Science, [S. l.], v. 1, n. 1, p. 11–15, 2025. DOI: 10.64758/52hjn346. Disponível em: https://janolijournals.com/index.php/jijms/article/view/230. Acesso em: 3 mar. 2026.