1. H. Cohen, F. Diaz y Diaz, and M. Olivier, Subexponential algorithms for class group and unit computations, J. Symbolic Comput. 24 (1997), no. 3-4, 433–441.[MR]
  2. Henri Cohen, A Course in Computational Algebraic Number Theory, Graduate Texts in Mathematics, vol. 138, Springer-Verlag, Berlin, 1993, pp. xii+534.[MR]
  3. Henri Cohen, A survey of computational class field theory, J. Théor. Nombres Bordeaux 11 (1999), no. 1, 1–13.[MR]
  4. Henri Cohen, Advanced Topics in Computational Number Theory, Graduate Texts in Mathematics, vol. 193, Springer-Verlag, New York, 2000, pp. xvi+578.[MR]
  5. Henri Cohen, Number theory: volume I: tools and diophantine equations, Springer, Berlin, 2007, pp. xxii+650.