1. E. ARTIN and J. TATE, Class Field Theory, Benjamin 1967; Addison Wesley, 1991
2. H. CARTAN and S. EILENBERG, Homological Algebra, Princeton Univ. Press 1956
3. A. GROTHENDIECK, Sur quelques points d’algèbre homologique, Tohoku Math. J.
9 (1957) pp. 119–221
4. G. HOCHSCHILD, Local class field thoery, Ann.Math.
51 No. 2 (1950) pp. 331–347
5. G. HOCHSCHILD, Note on Artin’s reciprocity law, Ann. Math.
52 No. 3 (1950) pp. 694–701