Хованський, Сергій Олександрович, and Віктор Григорович Неня. “Pump Selection at His Work on the Network With Variable Resistance over Time”. Eastern-European Journal of Enterprise Technologies 3, no. 9(45) (May 28, 2010): 47–49. Accessed May 8, 2024. https://journals.uran.ua/eejet/article/view/2894.