KUMAR, Shrawan. An Analytical Study Of The Empty Set: Foundations, Structural Properties And Its. CINEFORUM, [S. l.], v. 66, n. S5, p. 459–465, 2026. Disponível em: https://revistadecineforum.com/index.php/cf/article/view/1466. Acesso em: 12 sep. 2026.