By Elgendy Hader A.   in Communications in Algebra

ISSN:0092-7872|42|4|1785-1810

Taylor & Francis Ltd‎(2014)‎

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By Elgendy Hader A.   Bremner Murray R.   in Communications in Algebra

ISSN:0092-7872|40|5|1827-1842

Taylor & Francis Ltd‎(2012)‎

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