TY - JOUR AU - Kiril Kolikov TI - Principal Ideals of Crossed Products JO - Mathematica balkanica PY - 1997 SP - 383 VL - 11 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_1997_11_3-4_a19/ ID - MABA_1997_11_3-4_a19 ER -