1. Epifanov, O.K., Salova, I.A., Khrushchev, V.V., and Filippov, M.M., Excitation magnetic flux losses in acyclic motors with transverse magnetization, Russ. Electr. Eng., 2007, vol. 78, no. 2.
2. Epifanov, O.K., Os’kin, A.B., and Khrushchev, V.V., Characteristic features of designing a unipolar inductor torque motor with transverse flux of permanent magnets, Russ. Electr. Eng., 2007, vol. 78, no. 1.
3. Epifanov, O.K., High-torque motors for gearless servo systems: development and productionм, Russ. Electr. Eng., 2005, vol. 76, no. 2.
4. Epifanov, O.K., Salova, I.A., and Grechushkin, Yu.V., Torque rippling of unipolar multi-pole electric motor with permanent magnets, Nauchno-Tekh. Vestn. Inf. Tekhnol., Mekh. Opt., 2013, no. 4 (86).
5. Epifanov, O.K., Salova, I.A., and Khrushchev, V.V., Three-phase contactless torque inductor motors with magnetic biasing by a magnetostatic field, Russ. Electr. Eng., 2005, vol. 76, no. 1.