1. Kovalev L.K., Kovalev K.L., Koneev S.M-A., Penkin V.T., Poltavets V.N. Electromechanical machines and devices on the basis of massive high-temperature superconductors, Moscow, Phys-Math, 2010, 294p. (in Russian).
2. Kovalev L.K., Kovalev K.L., Koneev S.M-A., Penkin V.T., Poltavets V.N., Iliyasov R.I., Dezhin D.S. Electromechanical converters of energy on the basis of massive high-temperature superconductors, Moscow, Publishing house MAI-Print, 2008, 394p. (in Russian).
3. Chanles P. Poole, Horacio A. Farach, Richard J. Cheswick. Superconductivity, Dept. Phys. & Astr., University of South Carolina, Academy Press, 1995, 620p.
4. Ivanov-Smolensky A.V. Electrical machines. M.: publishing house MEI, 2004 (in Russian).
5. Tikhonov A.N., Samarsky A.A. The equations of mathematical physics. Moscow, Higher school, 1980 (in Russian).