00401nam a2200145Ia 450000100060000000800410000602000140004704000130006108200190007410000170009324500760011026000510018630000110023754600070024856246140506s9999    xx            000 0 und d  a070026556  cPK-LaUMT  aMAL 512bAYR-S  aAyres, Frank  aSchaum's outline of theory and problems of modern algebracAyres, Frank  aNew York,USA:bMcGraw-Hill Book Company,c1965  a245 p.  aEN