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By Bhagwat Ram, Shashi Kant Mishra, Kin Keung Lai, Predrag Rajković. He received his Ph.D. from DST-Centre for Interdisciplinary Mathematical Sciences, Institute of Science at the Banaras Hindu University, Varanasi, India (#21).
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.