%0 Journal Article %A E. G. Ekomasov %A R. V. Kudryavtsev %A K. Yu. Samsonov %A V. N. Nazarov %A D. K. Kabanov %T Kink dynamics of the sine-Gordon equation in a model with three identical attracting or repulsive impurities %J Izvestiya VUZ. Applied Nonlinear Dynamics %D 2023 %P 693-709 %V 31 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVP_2023_31_6_a2/ %G ru %F IVP_2023_31_6_a2