Abdullayev, Y. R., G. V. Mamedova, and G. S. Kerimzade. “Optimum Geometrical Parities for the Induction Levitator of the Electromechanical Converters”. Electrical Engineering and Power Engineering, no. 1, July 2012, pp. 4-7, doi:10.15588/1607-6761-2012-1-1.