TY - BOOK AU - Neukirch Jurgen AU - Schmidt Alexander AU - Wingberg Kay TI - Cohomology of number fields SN - 978-3-540-37888-4 U1 - 512.7 PY - 2008/// CY - Berlin PB - Springer-Verlag KW - Algebraic fields KW - Galois theory KW - Homology theory ER -