%0 Journal Article %A V. A. Kim %A R. I. Parovik %T Implicit finite-difference scheme for a Duffing oscillator with a derivative of variable fractional order of the Riemann-Liouville type %J Vestnik KRAUNC. Fiziko-matematičeskie nauki %D 2022 %P 179-198 %V 40 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VKAM_2022_40_3_a14/ %G ru %F VKAM_2022_40_3_a14