Department of Mathematics, Belda College, Belda, Paschim Medinipur 721424 , India
Copyright © 2009 Basudeb Dhara. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Let be a prime ring of char , a nonzero derivation of and a nonzero right ideal of such that for all , where , , are fixed integers. If , then .