HETMAN, H. K.; MARIKUTSA, S. L. The Analysis of analytical functions for approximative do-all magnetic characteristic of direct – current and undulated – current traction motors. Science and Transport Progress , [S. l.], n. 37, p. 63–71, 2011. DOI: 10.15802/stp2011/9432. Disponível em: https://stp.ust.edu.ua/article/view/9432. Acesso em: 24 apr. 2024.