In this paper, we generalize the main results of Guo and Isaacs, Archiv der Mathematik 105 (2015) 215–222. We also obtain some criteria for p-nilpotency of a finite group. Click to show full abstract
In this paper, we generalize the main results of Guo and Isaacs, Archiv der Mathematik 105 (2015) 215–222. We also obtain some criteria for p-nilpotency of a finite group.
               
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