DEVENDER KUMAR KAMBOJ; DALIP SINGH; VINOD KUMAR. Countable KC Functions and Inversely Countable KC Functions. International Journal of Mathematics And its Applications, [S. l.], v. 6, n. 1 - D, p. 707–709, 2018. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/1131. Acesso em: 22 jul. 2024.