Chowla, Sarvadaman; Cowles, J.; Cowles, M. Some problems from the study of cubic fields. (English) Zbl 0401.10010 Skr., K. Nor. Vidensk. Selsk. 1979, No. 1, 1-2 (1979). MSC: 11A41 PDFBibTeX XMLCite \textit{S. Chowla} et al., Skr., K. Nor. Vidensk. Selsk. 1979, No. 1, 1--2 (1979; Zbl 0401.10010)
Williams, Kenneth S. Remark on an assertion of Chowla. (English) Zbl 0395.10007 Skr., K. Nor. Vidensk. Selsk. 1979, No. 1, 3-4 (1979). MSC: 11A15 PDFBibTeX XMLCite \textit{K. S. Williams}, Skr., K. Nor. Vidensk. Selsk. 1979, No. 1, 3--4 (1979; Zbl 0395.10007)