ERHAN GÜLER. Fundamental form IV and curvature formulas of the hypersphere. Malaya Journal of Matematik, India, v. 8, n. 04, p. 2008–2011, 2020. DOI: 10.26637/MJM0804/0116. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1829. Acesso em: 16 jul. 2024.