%0 Journal Article %A Dokuchaev, Michael A. %A Singer, Maria Lucia Sobral %T Units in Group Rings of Free Products of Prime Cyclic Groups %J Canadian journal of mathematics %D 1998 %P 312-322 %V 50 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1998-016-2/ %R 10.4153/CJM-1998-016-2 %F 10_4153_CJM_1998_016_2