00796nam0-22002771i-450-990001283620403321000128362FED01000128362(Aleph)000128362FED0100012836220000920d1976----km-y0itay50------baengClass groups and picard groups of group rings and ordersby REINER IrvingProvidence (RI)American Mathematical Society1976C.B.M.S.R,IrvingReiner,Irving42017ITUNINARICAUNIMARCBK990001283620403321C-35-(2619228MA1MA1Class groups and picard groups of group rings and orders384838UNINAING01