References

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Henri Cohen, A course in computational algebraic number theory, Springer-Verlag, Berlin, 1993.
Coh00
Henri Cohen, Advanced topics in computational number theory, Springer-Verlag, New York, 2000.
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Mar18
Daniel A. Marcus, Number fields, Springer, Cham, 2018.
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V. V. Nikulin, Integer symmetric bilinear forms and some of their geometric applications, Izv. Akad. Nauk SSSR Ser. Mat., 43(1), 111–177, 238, 1979.
PZ97
M. Pohst, H. Zassenhaus, Algorithmic algebraic number theory, Cambridge University Press, Cambridge, 1997.