@inproceedings{rambow-1994-multiset, title = "Multiset-Valued Linear Index Grammars: Imposing Dominance Constraints on Derivations", author = "Rambow, Owen", booktitle = "32nd Annual Meeting of the Association for Computational Linguistics", month = jun, year = "1994", address = "Las Cruces, New Mexico, USA", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/P94-1036/", doi = "10.3115/981732.981768", pages = "263--270" }