KUMAR, V. Srinivasa; REDDY, Y. Madhavi. ON ROUGH APPROXIMATIONS OF SUBGROUPS VIA CONJUGACY. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 35, p. 443–452, 2015. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6416. Acesso em: 16 aug. 2026.