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This work is licensed under a Creative Commons Attribution 3.0 License.
Khalil Ullah
Department of Mathematics, Abdul Wali Khan University, Mardan 23200,
Pakistan
Pakistan
Jihad Younis
Government Post Graduate Collage Dargai, Malakand, Pakistan
Khurshid Ahmad
Department of Mathematics, Abdul Wali Khan University, Mardan 23200,
Pakistan
A Manickam
School of Advanced Science and Languages (SASL), Department of Mathematics,
VIT Bhopal University Kothri Kalan, Bhopal-Indore Highway, Sehore Dt. Madhya
Pradesh - 466114 .
India
Bilal Khan
4
School of Mathematical Sciences and Shanghai Key Laboratory of PMMP, East
China Normal University, 500 Dongchuan Road, Shanghai 200241, Peoples
Republic of China
Mirajul Haq
Department of Mathematics, Abdul Wali Khan University, Mardan 23200,
Pakistan
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