%0 Journal Article %A Bashir Ahmad %A Ahmed Alsaedi %A Najla Alghamdi %A Sotiris K. Ntouyas %T Existence Theorems for a Coupled System of Nonlinear Multi-Term Fractional Differential Equations with Nonlocal Boundary Conditions %J Kragujevac Journal of Mathematics %D 2022 %P 317 %V 46 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/KJM_2022_46_2_a10/ %G en %F KJM_2022_46_2_a10