Vladyslav Andrusiak. Improving the energy efficiency of borehole pumps through the substantiation of rational parameters of their high-speed operating modes and design solutions : Доктор філософії : spec.. 133 - Галузеве машинобудування : presented. 2026-06-12; popup.evolution: .; Sumy State University. – Суми, 0826U002465.

Updated: 2026-10-24