Differential Equations & Applications · Volume 13, Issue 2 Caputo type modification of the Erdélyi-Kober coupled implicit fractional differential systems with retardation and anticipation 13-07 Pages 101-114 DOI 10.7153/dea-2021-13-07 Downloads Short PDF Full PDF PNG Authors Mokhtar Boumaaza Mouffak Benchohra Juan J. Nieto Keywords coupled fractional differential system implicit of Caputo-type modification of the Erdélyi-Kober existence retarded arguments advanced arguments fixed point Subject classes 34A08 34K05