with J. O. Shallit: Factoring integers before computers. In: W. Gautschi (Hrsg.): Mathematics of computation – 50 years of computational mathematics 1943–1993. Proc. Symposium Applied Math., Band 48. American Mathematical Society, 1994, S. 481–531. Édouard Lucas and primality testing. Wiley 1998. (Canadian Mathematical Society Series of Monographs and Advanced Texts. Band 22.) with M. J. Jacobson: Solving the Pell Equation. Springer 2008. References External links Hugh C. Williams at the website of the University of Calgary Profile of Hugh C. Williams at the faculty with links to publications Williams references at the Prime Pages 20th-century Canadian mathematicians 21st-century Canadian mathematicians Number theorists 1943 births Living people University of Manitoba faculty University of Calgary faculty University of Waterloo alumni Scientists from Ontario People from London, Ontario