Vedenyapin, V. et al. 2023. On the Derivation of the Equations of Gravitation and Electrodynamics from the Generalized Least Action Principle and the Nonrelativistic Models of the Universe. Journal of Vibration Testing and System Dynamics. 7, 1 (Mar. 2023), 39–47. DOI:https://doi.org/10.5890/JVTSD.2023.03.006.