KOSTENKO, I. Improvement of the method of calculation of mechanical characteristics of a traction motor of direct current with combined excitation. Technology audit and production reserves, [S. l.], v. 4, n. 1(42), p. 4–10, 2018. DOI: 10.15587/2312-8372.2018.141384. Disponível em: https://journals.uran.ua/tarp/article/view/141384. Acesso em: 8 may. 2024.