Polynomial time quantum algorithm for the computation of the unit group of a number field.

Arthur Schmidt Ulrich Vollmer Polynomial time quantum algorithm for the computation of the unit group of a number field. 475-480 2005 conf/stoc/2005 STOC http://doi.acm.org/10.1145/1060590.1060661 db/conf/stoc/stoc2005.html#SchmidtV05