Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Harashima Fumio and Haneyoshi Toshimasa,An Analysis of Commutatorless Motors with Salient-pole Structure and Finite Size of DC Reactors,IEEJ Transactions on Power and Energy,0385-4213,The Institute of Electrical Engineers of Japan,1977,97,11,657-664,https://cir.nii.ac.jp/crid/1390001204601186304,https://doi.org/10.1541/ieejpes1972.97.657