A. . Chadov, “MATHEMATICAL AND COMPUTER MODELING OF ECOLOGICAL AND ECONOMIC STATE FOR A REGION: PROBLEMS OF IDENTIFICATION, FORECASTING, ATTAINABILITY AND CONTROL”, ВПФИЦ, no. 3, pp. 13–25, Jan. 2014, Accessed: May 13, 2026. [Online]. Available: https://journal-dev.icmm.ru/index.php/pscj/article/view/PSCJ2013n3p2