On the Problem of Comparing Ordered Ordinary Fuzzy Multisets. - Ángel Riesgo; Pedro Alonso 001; Irene Díaz; Vladimír Janis; Vladimír Kobza; Susana Montes (IPMU (2), 2018)

Basic operations for fuzzy multisets. - Ángel Riesgo; Pedro Alonso 001; Irene Díaz; Susana Montes (Int. J. Approx. Reason., 2018)

An Algorithmic Approach for Computing Unions and Intersections Between Fuzzy Multisets. - Ángel Riesgo; Pedro Alonso 001; Irene Díaz; Susana Montes (Int. J. Comput. Intell. Syst., 2019)