Modification of quasi-optimal law of angular velocity variation of rotor shaft rotation of series excitation direct-current electric motors of tram electric drives under invariable loading. Вісник ВПІ [Internet]. 2010 Nov. 12 [cited 2026 Oct. 10];(3):46-9. Available from: https://visnyk.vntu.edu.ua/index.php/visnyk/article/view/453