o
Satya Mishra
Department of Mathematics and Statistics
University of South Alabama, Mobile, AL 36688, USA
Phone: +1 251 461 1642 Fax: +1 251 460 7969
mishra@jaguar1.usouthal.edu
o
Harinder Singh
Head, Department of Mathematics
Jaypee University of Information Technology
WAKNAGHAT, Dist. Solan 173215 (HP) India
Phone: +91-1792-239207 Fax: +91-1792-245362
harinder.singh@juit.ac.in