TY - JOUR AU - V. M. Savchin AU - Ph. T. Trinh TI - Variational approach to the construction of discrete mathematical model of the pendulum motion with vibrating suspension with friction JO - Izvestiya VUZ. Applied Nonlinear Dynamics PY - 2022 SP - 411 EP - 423 VL - 30 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVP_2022_30_4_a2/ LA - ru ID - IVP_2022_30_4_a2 ER -