%0 Journal Article
%A Kenneth S. Brown
%A Ross Geoghegan
%T Cohomology with free coefficients of the fundamental group of a graph of groups.
%J Commentarii mathematici Helvetici
%D 1985
%P 31-45
%V 60
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1985__60_139998/
%F CMH_1985__60_139998