%0 Journal Article %A Artion Kashuri %A Themistocles M Rassias %T New Hermite–Hadamard–Fejér inequalities via k–fractional integrals for differentiable generalized nonconvex functions %J Filomat %D 2020 %P 2549 %V 34 %N 8 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2008549K/ %R 10.2298/FIL2008549K %G en %F 10_2298_FIL2008549K