Sean Hallgren
Fast quantum algorithms for computing the unit group and class group of a number field
STOC, 2005.
@inproceedings{STOC-2005-Hallgren, author = "Sean Hallgren", booktitle = "{Proceedings of the 37th Annual ACM Symposium on Theory of Computing}", doi = "10.1145/1060590.1060660", isbn = "1-58113-960-8", pages = "468--474", publisher = "{ACM}", title = "{Fast quantum algorithms for computing the unit group and class group of a number field}", year = 2005, }