1. Chouffer, J., Cornilleau, H., and Duclos, P. US Patent 5859514, 1999.
2. Braslavskii, I.Ya., Zyuzev, A.M., and Koksharov, L.P. SAR Linearization of the Speed of Asynchronous Electric Drive with Thyristor Phase Control, Elektrichestvo, 1981, no. 12, pp. 43–46.
3. Zyuzev, A.M. and Nesterov, K.E., RF Patent 2251204, 2005.
4. Zyuzev, A.M. and Nesterov, K.E., On Design of TVC-IM System Sensorless Electric Drive, Elektrotekhnika, 2005, no. 9.
5. Zyuzev, A.M. and Nesterov, K.E., Speed Calculator of TVC-IM System Sensorless Electric Drive in Elektricheskie sistemy i kompleksy: Mezhvuz. sb. nauchn. trudov (Electric Machines and Complexes: Interuniversity Collection of Scientific Works), iss. 12, Magnitogorsk: MGTU, 2006, issue 12.