ZHANG, X.-M. ISOMETRIC IMMERSION OF MINIMAL SPHERICAL SUBMANIFOLD VIA THE SECOND STANDARD IMMERSION OF THE SPHERE. Tamkang Journal of Mathematics, [S. l.], v. 23, n. 2, p. 145–159, 1992. DOI: 10.5556/j.tkjm.23.1992.4537. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4537. Acesso em: 2 may. 2024.