1. On the Hilbert class field tower of global function fields, Drinfeld modules, modular schemes and applications;Angles,1997
2. Algebraic Numbers and Algebraic Functions;Artin,2005
3. Genus theory for function fields;Bae;J. Aust. Math. Soc. Ser. A,1996
4. Central Extensions, Galois Groups, and Ideal Classes of Number Fields;Fröhlich,1983
5. Sur les l-classes d'idéaux dans les extensions cycliques relatives de degré premier l, I, II;Gras;Ann. Inst. Fourier (Grenoble),1973