%0 Journal Article %A M. I. Fakhretdinov %A K. Y. Samsonov %A S. V. Dmitriev %A E. G. Ekomasov %T Kink Dynamics in the $\varphi^4$ Model with Extended Impurity %J Russian journal of nonlinear dynamics %D 2023 %P 303-320 %V 19 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2023_19_3_a1/ %G en %F ND_2023_19_3_a1