1. G. Bergman (1980) Notes on Ferguson and Forcade's Generalized Euclidean Algorithm. Unpublished paper. University of California at Berkeley.
2. A. Brentjes (1981) Multi-dimensional Continued Fraction Algorithms. Math. Centre Tracts No. 145. Universiteit Amsterdam.
3. H.R.P. Ferguson and R.W. Forcade (1979) Generalization of the euclidean algorithm for real numbers to all dimensions higher than two. Bulletin of the AMS 1,6 pp. 912–914.
4. H.R.P. Ferguson (1984) A non-inductive GL(n,ℤ) algorithm that constructs integral linear relations. Preprint. Brigham Young University
5. H.R.P. Ferguson (1985) A short proof of the existence of vector Euclidean algorithms to appear in Proceedings of the AMS.