PHANEENDRA, T.; SWAMY, K. Kumara. SOME ELEGANT PROOFS IN 2-METRIC SPACE AND G-METRIC SPACE. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 36, p. 801–818, 2016. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6483. Acesso em: 16 aug. 2026.