%0 Journal Article %A İ. Öztürk %T On the theory of fractional differential equations %J News of the Kabardin-Balkar scientific center of RAS %D 1998 %P 41-47 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IZKAB_1998_1_a7/ %G ru %F IZKAB_1998_1_a7