000			00347nam a2200145Ia 4500
008			120216s9999 xx 000 0 und d
022			_a0021-8693
260			_bElsevier Science . _aUSA
310			_a24/Yr
362			_aJan-Dec,2011
365			_b1413
245			_aJournal of Algebra.
440			_v323(1), 2010+
500			_aNew York. Boston
999			_c153678 _d153678