Puri Arenas-Sánchez, Francisco Javier López-Fraguas, Mario Rodrúguez-Arteljo. Embedding Multiset Constraints into a Lazy Functional Logic Language. In Catuscia Palamidessi, Hugh Glaser, Karl Meinke, editors, Principles of Declarative Programming, 10th International Symposium, PLILP 98 Held Jointly with the 7th International Conference, ALP 98, Pisa, Italy, September 16-18, 1998, Proceedings. Volume 1490 of Lecture Notes in Computer Science, pages 429-444, Springer, 1998. [doi]