Arkhipov, Y. V., Ashikbayeva, A. B., Askaruly, A., Davletov, A. E., Dubovtsev, D., & Tkachenko, I. M. (2014). The loss function of dense plasmas and sum rules. International Journal of Mathematics and Physics, 5(1), 53–59. https://doi.org/10.26577/2218-7987-2014-5-1-53-59