Evans, Ronald J.; Williams, Kenneth S. Quartic residuacity and the quadratic character of certain quadratic irrationalities. (English) Zbl 1381.11006 Int. J. Number Theory 11, No. 8, 2487-2503 (2015). MSC: 11A15 11E25 PDFBibTeX XMLCite \textit{R. J. Evans} and \textit{K. S. Williams}, Int. J. Number Theory 11, No. 8, 2487--2503 (2015; Zbl 1381.11006) Full Text: DOI
Evans, Ronald J.; Kaplan, Pierre; Williams, Kenneth S. Congruences for quadratic units of norm \(-1\). (English) Zbl 1049.11119 Ramanujan J. 7, No. 4, 449-453 (2003). MSC: 11R27 11R11 PDFBibTeX XMLCite \textit{R. J. Evans} et al., Ramanujan J. 7, No. 4, 449--453 (2003; Zbl 1049.11119) Full Text: DOI
Berndt, Bruce C.; Evans, Ronald J.; Williams, Kenneth S. Gauss and Jacobi sums. (English) Zbl 0906.11001 Canadian Mathematical Society Series of Monographs and Advanced Texts. New York, NY: John Wiley & Sons. xi, 583 p. (1998). Reviewer: J.H.Loxton (North Ryde) MSC: 11-02 11L05 11L10 11R18 11T71 11-03 11T24 11T22 11D61 11B65 11A15 PDFBibTeX XMLCite \textit{B. C. Berndt} et al., Gauss and Jacobi sums. New York, NY: John Wiley \& Sons (1998; Zbl 0906.11001)