@article{article, title  = {{Mitigating Catastrophic Forgetting in Target Language Adaptation of LLMs via Source-Shielded Updates}},

 publisher = {{Association for Computational Linguistics}},

 url = {{https://doi.org/10.18653/v1/2026.acl-long.865 }},

 year = {{2026}},

 month = {{1}},

 author = {{Yamaguchi A and Morishita T and Villavicencio A and Aletras N}},

 doi = {{10.18653/v1/2026.acl-long.865}},

 journal = {{Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)}},

 pages = {{18949-18975}},

 note = {{Accessed on 2026/08/03}}}