Ramazanov, T. S., M. S. Jelbuldina, and K. N. Dzhumagulova. “Microfield Distribution in Semiclassical Plasma”. International Journal of Mathematics and Physics, vol. 3, no. 2, June 2012, pp. 140-3, https://ijmph.kaznu.kz/index.php/kaznu/article/view/57.