%0 Journal Article
%A B. Baumann
%T Free pro-p groups with operators.
%J Manuscripta mathematica
%D 1991
%P 385-396
%V 73
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1991__73_1_155674/
%F MM2_1991__73_1_155674