00481     2200181   4500001002100000005001500021035002000036008004100056245005500097100002300152250001100175260002200186300002800208084001700236082001100253650002100264990001400285INLIS00000000000235320260309023017  a0010-0317002351260309                           0      1 aContemporary abstract algebra /cJoseph A. Gallian1 aGallian, Joseph A.  a2nd ed  bD.C. Heath,c1990  axxiv, 523 hlm. ;c24 cm  a512.02 Gal c  a512.02  aaljabar abstract  a300329591