Cohn, Harvey A second course in number theory. (English) Zbl 0208.31501 New York and London: John Wiley and Sons, Inc. XIII, 276 p. (1962). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 50 Documents MSC: 11-02 Research exposition (monographs, survey articles) pertaining to number theory 11R11 Quadratic extensions 11R27 Units and factorization 11R29 Class numbers, class groups, discriminants PDFBibTeX XML