Mogilnay, O., V. Paschenko, S. Kharchenko, V. Domashenko, and K. Siedykh. “Mathematical Modelling of Operational Stability of Sowing machines’ Mechanical Systems”. Eastern-European Journal of Enterprise Technologies, vol. 4, no. 1 (94), July 2018, pp. 37-46, doi:10.15587/1729-4061.2018.139846.