A new fractional derivative involving the normalized sinc function without singular kernel Xiao-Jun Yang, Feng Gao, J.A. Tenreiro Machado and Dumitru Baleanu EPJ - Special Topics, 226 16-18 (2017) 3567-3575 Published online: 25 July 2018 DOI: 10.1140/epjst/e2018-00020-2