• On A Relation Between Two Absolute Summability Methods 

      Sulaiman, W. T. [وعد الله توفيق سليمان] ( Qatar University , 1997 , Article)
      In this paper we prove a theorem concerning a relation between the summability methods |R,pn,qnlJt and |R,un|fc , k > 1 , which generalizes a result of Bor [2].
    • A study on summability factors of infinite series 

      Sulaiman, W. T. [وعد الله توفيق سليمان] ( Qatar University , 1997 , Article)
      A new theorem concerning N,p q , summability factors of infinite series are deduced.