Riyasat, Mumtaz
Khan, Subuhi
Funding for this research was provided by:
Post-Doctoral Fellowship by the National Board of Higher Mathematics, Department of Atomic Energy, Government of India, Mumbai (2/40(38)/2016/R&D-II/1063)
Article History
Received: 13 April 2018
Accepted: 27 July 2018
First Online: 2 August 2018