00292nam a2200121Ia 4500082001700000100002500017245003300042260003400075300001300109490003800122500000500160700000500165  a512bM135.FR  aMcDonald, Bernard R.  aFinite rings with identityb  aNew YorkbMarcel Dekkerc1974  ax, 429p.  aPure and Applied Mathematicsv 28  a  a