Ponnusamy, Saminathan
Kaliraj, Anbareeswaran Sairam https://orcid.org/0000-0001-5796-3092
Starkov, Victor V.
Funding for this research was provided by:
Department of Science and Technology (India) (RUS/RFBR/P-163)
Russian Foundation for Basic Research (14-01-00510)
National Board for Higher Mathematics