PRATIK SINGH THAKUR; ROHIT KUMAR VERMA; RAKESH TIWARI. Operations on Multisets and Fuzzy Multisets. International Journal of Mathematics And its Applications, [S. l.], v. 11, n. 3, p. 45–58, 2023. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/1198. Acesso em: 20 may. 2024.