%0 Journal Article %A A. A. Kilbas %A N. V. Kniaziuk %T Modified fractional integrals and derivatives in the half-axis and differential equations of fractional order in the space of integrable functions %J Trudy Instituta matematiki %D 2007 %P 68-77 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMB_2007_15_1_a7/ %G ru %F TIMB_2007_15_1_a7