%0 Journal Article %T PRODUCTIVITY OF FORCES OF TRAWL SYSTEM: PROBLEM FORMULATION %A Nedostup, A.A. %A Razhev, A.. %K trawl system, physical modeling, similarity scales, productivity of forces, efficiency, material point, design %J Vestnik of Astrakhan State Technical University. Series: Fishing industry %D 2021 %N %P 10 %I Astrakhan State Technical University