Tate duality and ramification of division algebras Takao Yamazaki (2002) Acta Mathematica et Informatica Universitatis Ostraviensis
The Index of Stickelberger Ideals of Order2 and Cuspidal Class Numbers . Serge Lang, Daniel S. Kubert (1978) Mathematische Annalen
The multiplicative group of a local skew field as Galois group. G.-Martin Cram (1987) Journal für die reine und angewandte Mathematik
The p-Primary Component of the Cuspidal Divisor Class Group on the Modular Curve X(p). Serge Lang, Daniel S. Kubert (1978) Mathematische Annalen