%0 Journal Article %T Nonlinear physics in the navy Part 4 %A Gaydenok, N.D. %K instability, single-product mathematical model of economic formation transformation in Russia, import substitution, scientific– technical and socio–political world progress, Kuznets and Kondratiev waves, nonlinear phenomena, separatrix, above separatrix trajectory , Lagrangian and Hamiltonian of scientific – technical and socio –political world progress, logistics chains, cultural evolution Humanity, phase portrait, separatrix, catastrophes in the economy, catastrophe of the fold, catastrophe of the collection, catastrophe of the multiple fold %J Fisheries %D 2022 %N 2022 %P 8 %I FSBI "TSUREN"