Alfred J. van der Poorten. Explicit formulas for units in certain quadratic number fields. In Leonard M. Adleman, Ming-Deh A. Huang, editors, Algorithmic Number Theory, First International Symposium, ANTS-I, Ithaca, NY, USA, May 6-9, 1994, Proceedings. Volume 877 of Lecture Notes in Computer Science, pages 194-208, Springer, 1994.
Abstract is missing.