ABRAMOV, A. . .; ABRAMOV , G. . ANALYSIS OF MATHEMATICAL MODELS OF MARITIME SHIPPING TRENDS IN A CRISIS ENVIRONMENT. APPLIED QUESTIONS OF MATHEMATICAL MODELLING, [S. l.], v. 4, n. 2.2, p. 16-24, 2021. DOI: 10.32782/KNTU2618-0340/2021.4.2.2.1. Disponível em: //ojs.kntu.net.ua/index.php/aqmm/article/view/181. Acesso em: 22 груд. 2024.