@article{article, title = {{}}, publisher = {{Wiley}}, url = {{https://doi.org/10.1023/a:1001721808335 }}, year = {{1999}}, month = {{1}}, author = {{Dummigan N}}, doi = {{10.1023/a:1001721808335}}, volume = {{119}}, journal = {{Compositio Mathematica}}, issue = {{2}}, pages = {{111-132}}, note = {{Accessed on 2025/11/24}}}