1. Pavlyuk, K. and Bedparek, S., Pusk i asinkhronnye rezhimy sinkhronnykh dvigatelei (Start-up and Asynchronous Modes of Operation of Synchronous Motors), Moscow: Energiya, 1971.
2. Kononenko, G.V., Sipailov, G.A., and Khor’kov, K.A., Elektricheskie mashiny (Electric Machines), Moscow: Vysshaya shkola, 1975.
3. Harris, M., Per-Unit Systems with Special Reference to Electrical Machines, Univ. Press, 1970; Moscow: Energiya, 1975.
4. Kovach, K.P. and Rats, I., Transiente Vorgange in Wechselstrommaschinen I–II, Budapest: Akademiai, 1959; Moscow: Gosenergoizdat, 1963.
5. Klyuchnikov, A.T., Equations for Asymmetric Multiphase Machine Written in Space-Time Coordinates, Elektrichestvo, 1998, no. 7, pp. 36–39.