TY - JOUR AU - Dokuchaev, Michael A. AU - Singer, Maria Lucia Sobral TI - Units in Group Rings of Free Products of Prime Cyclic Groups JO - Canadian journal of mathematics PY - 1998 SP - 312 EP - 322 VL - 50 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1998-016-2/ DO - 10.4153/CJM-1998-016-2 ID - 10_4153_CJM_1998_016_2 ER -