S. JOTHIMANI, T. P. INTUITIONISTIC FUZZY Ï€ - GENERALIZED SEMI PRE CLOSED SETS. Asian Journal of Current Engineering and Maths, [S. l.], v. 1, n. 5, 2013. Disponível em: http://innovativejournal.in/index.php/ajcem/article/view/109. Acesso em: 4 may. 2024.