KHLIFI, M. A. Explaining the d-q Magnetic Couplings Theoretically in Saturated Smooth Air-Gap AC Machines. Engineering, Technology & Applied Science Research, Greece, v. 9, n. 1, p. 3739–3743, 2019. DOI: 10.48084/etasr.2327. Disponível em: https://www.etasr.com/index.php/ETASR/article/view/2327. Acesso em: 23 jan. 2022.