@article{Nedostup2021productivity, author={Nedostup, A.A. and Razhev, A..}, title={PRODUCTIVITY OF FORCES OF TRAWL SYSTEM: PROBLEM FORMULATION}, journal={Vestnik of Astrakhan State Technical University. Series: Fishing industry}, publisher={Astrakhan State Technical University}, year={2021}, pages={55-65}, volume={}, issue={2}, }