%0 Journal Article %A Amele Taieb %A Zoubir Dahmani %T Triangular System of Higher Order Singular Fractional Differential Equations %J Kragujevac Journal of Mathematics %D 2021 %P 81 %V 45 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/KJM_2021_45_1_a6/ %G en %F KJM_2021_45_1_a6