AMUDHAMBIGAI, B.; REVATHI , G.K.; SUNMATHI, K.A. A VIEW ON QUASI λ-OPEN M-SETS IN M-TOPOLOGICAL SPACES. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 37, p. 751–756, 2017. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6757. Acesso em: 16 sep. 2026.