TY - JOUR AU - K. W. Roggenkamp TI - Group rings, Hecke orders, quasi-hereditary orders, cellular orders and deformations JO - Analele Universităţii "Ovidius" Constanţa Seria Matematică PY - 2001 VL - IX IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ASUO_2001_IX_2_a14/ ID - ASUO_2001_IX_2_a14 ER -