NITU, Marian; SMARANDACHE, Florentin; MIRCEA, Selariu. ECCENTRICITY, SPACE BENDING, DIMENSION. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 32, p. 133–142, 2014. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6227. Acesso em: 7 aug. 2026.