%0 Journal Article %A Leo P. jr. Comerford %A B. Truffault %T The Conjugacy Problem for Free Products of Sixth-Groups with Cyclic Amalgamation. %J Mathematische Zeitschrift %D 1976 %P 169-182 %V 149 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1976__149_172389/ %F MZ_1976__149_172389