00735nam a2200217 a 450000500170000008200170001710000190003411000230005324500760007626000360015230000230018849000400021150000690025169000210032069000310034170000230037296400250039599700180042099900170043895200620045520251203091008.0  a510.8,PROb_  aHsia, John, S.  aMadan, Manohar, L.  aProceedings of the conference on orders, group rings and related topics  aNew YorkbSpringer-Verlagc1973  aviii, 224p, 22 cm.  aLecture notes in mathematicsdv.353  aConference on orders, group rings and relatied topics(1972:Ohio)  aTheory of orders  aGroup rings, 3-540-06518-0  aRalley, Thomas, G.  bEngc100de010fg_  a41807 LIBSC C  c26179d26179  00104070aPUbPUd1998-04-08l0o510.8,PRO _p41807yBK