%0 Journal Article %A W. K. Shaker %A A. Klimchik %T Stiffness Modeling of a Double Pantograph %J Russian journal of nonlinear dynamics %D 2022 %P 771-785 %V 18 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2022_18_5_a2/ %G en %F ND_2022_18_5_a2