%0 Journal Article %A V. M. Savchin %A Ph. T. Trinh %T Variational approach to the construction of discrete mathematical model of the pendulum motion with vibrating suspension with friction %J Izvestiya VUZ. Applied Nonlinear Dynamics %D 2022 %P 411-423 %V 30 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVP_2022_30_4_a2/ %G ru %F IVP_2022_30_4_a2