Ji, Kui
Sarkar, Jaydeb http://orcid.org/0000-0001-5938-1491
Funding for this research was provided by:
National Board for Higher Mathematics (NBHM/R.P.64/2014)
Department of Science and Technology, Ministry of Science and Technology (MTR/2017/000522)
Article History
Received: 8 March 2018
Accepted: 12 September 2018
First Online: 15 October 2018