%0 Journal Article %A R.H. Bruck %T Completion of Free Groups by Means of Infinite Product Representations. %J Mathematische Zeitschrift %D 1970 %P 9-29 %V 118 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1970__118_171433/ %F MZ_1970__118_171433