Features of Calculation of Magnetic Circuit of DC Collector Micromotors with Permanent Magnets and Hollow Armature.Published in:Russian Electrical Engineering, 2025, v. 96, n. 5, p. 350, doi. 10.3103/S1068371225700440By:Vstovsky, S. A.;Pakhomov, A. N.;Fediiy, K. S.;Afanasyev, S. N.Publication type:Article