Горик, А. В., Ковальчук, С. Б., & Шулянский, Г. А. (2013). Determination of elastoplastic coefficient of shock interaction of spherical indenter with deformable halfspace. Eastern-European Journal of Enterprise Technologies, 1(7(61), 56–59. https://doi.org/10.15587/1729-4061.2013.9377