A N Rasulov , G R Rafikova, M R Ruzinazarov. “The Stabilizing Properties and Energy Indicators of Electrical-Ferromagnetic Oscillatory Circuit”. International Journal of Advanced Science and Technology, Vol. 29, no. 7, June 2020, pp. 9330-6, http://sersc.org/journals/index.php/IJAST/article/view/26409.