Lytviak, Oleksandr, Roman Trishch, Eduard Khomiak, Serhii Kochuk, Svitlana Khomenko, and Ihor Tiupa. “Building a Model of the Flow in a Nozzle-Flapper Valve of the HP-3 Control Pump to Improve the Stability of Characteristics”. Eastern-European Journal of Enterprise Technologies 3, no. 1 (135) (June 27, 2025): 51–57. Accessed February 7, 2026. https://journals.uran.ua/eejet/article/view/329024.