Kovalyov Sergey Fyodorovich. The improvements to the work process and the justification of the design of the multifunctional mill unit with hydrodynamic principle of action. : к.т.н. : spec.. 05.05.17 - Гідравлічні машини та гідропневмоагрегати : presented. 2013-04-12; popup.evolution: .; Sumy State University. – , 0413U002612.

Updated: 2026-10-23