%0 Journal Article %A S. Erden %T Perturbed companions of Ostrowski type inequalities for $n$-times differentiable functions and applications %J Problemy analiza %D 2020 %P 45-57 %V 9 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PA_2020_9_2_a2/ %G en %F PA_2020_9_2_a2