W. Herfort, P.A. Zalesskii:
"Finite p-Extensions of Free pro-p Groups";
Poster: Groups in Bressanone - Brixen June, 2nd-5th, 2004, Bressanone - Brixen; 02.06.2004 - 05.06.2004.
Verallgemeinerung eines Resultats von J.P.Serre
Generalization of a result of J.P.Serre