TY - JOUR AU - G. Farid TI - On Caputo Fractional Derivatives via Convexity JO - Kragujevac Journal of Mathematics PY - 2020 SP - 393 VL - 44 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KJM_2020_44_3_a4/ LA - en ID - KJM_2020_44_3_a4 ER -