%0 Journal Article %A S. I. Butt %A B. Bayraktar %A M. Umar %T Several new integral inequalities via $k$-Riemann--Liouville fractional integrals operators %J Problemy analiza %D 2021 %P 3-22 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PA_2021_10_1_a0/ %G en %F PA_2021_10_1_a0