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5. P. V. Pugachev, D. G. Svoboda, and A. A. Zharkovskii, Calculation and Design of Hydraulic Vane Engines. Calculation of Viscous Flow in Hydraulic Vane Engines with the use of the AnsysCFX Package: Textbook [in Russian], Izd-vo Politekh. Un-ta, St. Petersburg (2016).