Geodesic
On periodic solutions of the mathematical model ``politics-economics''
Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory, Proceedings of the All-Russian Scientific Conference «Differential Equations and Their Applications» dedicated to the 85th anniversary of Professor M.T.Terekhin. Ryazan State University named for S.A. Yesenin, Ryazan, May 17-18, 2019. Part 1, Tome 185 (2020), pp. 28-36.

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In this paper, we consider a mathematical model “politics-economy” described by a nonlinear system of differential equations with a parameter and obtain conditions for the existence of a nonzero positive periodic solution.
Keywords: mathematical model, nonlinear system of differential equations with a parameter
Mots-clés : nonzero periodic solution. 
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O. V. Baeva; S. A. Pavlova. On periodic solutions of the mathematical model  ``politics-economics''. Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory, Proceedings of the All-Russian Scientific Conference «Differential Equations and Their Applications» dedicated to the 85th anniversary of Professor M.T.Terekhin. Ryazan State University named for S.A. Yesenin, Ryazan, May 17-18, 2019. Part 1, Tome 185 (2020), pp. 28-36. http://geodesic.mathdoc.fr/item/INTO_2020_185_a3/

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[2] Terekhin M. T., “Bifurkatsiya periodicheskikh reshenii funktsionalno-differentsialnykh uravnenii”, Izv. vuzov. Mat., 10 (449) (1999), 37–42 | Zbl

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