@article{rybak_efimenko_2018, 
  title={THEORY AND CALCULATION METHODS OF THREE-D RIGIDITY  OF HYDRAULIC DRIVE MACHINES ELEMENTS}, 
  volume={10}, 
  abstractNote={Calculation method for three-D rigidity coefficient of the elements of hydraulic drive machines is offered. Description of the stand for field research of the stiffness properties of the hydraulic systems pipelines, including three-D rigidity coefficient, is presented.}, 
  publisher={Don State Technical University}, 
  author={RYBAK and EFIMENKO}, 
  year={2018}
  }