%0 Journal Article %A S. Martines %A M. Sans %A M. D. Martines %T Some inequalities for fractional integrals and derivatives %J Doklady Akademii Nauk %D 1990 %P 1049-1051 %V 315 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_315_5_a4/ %G ru %F DAN_1990_315_5_a4