КОТВИЦЬКА, К.; ЄРОХІН, Я. IMPROVING THE ENERGY EFFICIENCY OF RAILWAY TRANSPORT THROUGH PHYSICAL AND MATHEMATICAL METHODS. SWorldJournal, [S. l.], v. 2, n. 33-02, p. 90–95, 2025. DOI: 10.30888/2663-5712.2025-33-02-117. Disponível em: https://www.sworldjournal.com/index.php/swj/article/view/swj33-02-117. Acesso em: 9 feb. 2026.