Vikraman Arvind, Piyush P. Kurur. On the Complexity of Computing Units in a Number Field. In Duncan A. Buell, editor, Algorithmic Number Theory, 6th International Symposium, ANTS-VI, Burlington, VT, USA, June 13-18, 2004, Proceedings. Volume 3076 of Lecture Notes in Computer Science, pages 72-86, Springer, 2004. [doi]
Abstract is missing.