TSANKOV, Y. AN EXAMPLE OF ROTATIONAL HYPERSURFACE IN $\mathbb{R}^{n+1}$ WITH INDUCED IP METRIC FROM $\mathbb{R}^{n+1}$. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 97, p. 135–141, 2005. Disponível em: https://ftl5.uni-sofia.bg/index.php/fmi/article/view/151. Acesso em: 4 dec. 2024.