Alam, Sultan
Abbas, Syed
Nieto, Juan J.
Funding for this research was provided by:
National Board of Higher Mathematics (NBHM/IITMANDI/2013/NBHM/SYA/45/02)
Ministerio de Economia y Competitividad of Spain (MTM2013-43014-P)
Article History
First Online: 29 December 2015