[seqfan] Re: Determine whether a number is represented by a binary quadratic form

N. J. A. Sloane njas at research.att.com
Sun Jul 11 17:45:34 CEST 2010

Two classic books on this subject are

David A. Cox, Primes of Form x^2 + n y^2, Wiley, 1989.


Cassels, Rational Quadratic Forms, Cambridge Univ. Press


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