00615naa#a2200181#i#450# EN\\bibl\89438 20241121212217.4 2949-2440 20241015b2024####ek#y0engy0150####ca RU Improving jet pump installations designs for oil production Journal article Astrakhan Astrakhan State Technical University 2024 11 с. Journal article local Инженерное дело. Техника в целом. 62 Shishkin Nickolai Dmitrievich Marysheva Marina Aleksandrovna vestnik.astu.org