Arkhipov YV, Askaruly A, Ashikbayev AB, Tkachenko IM. Analysis of models of dielectric functions used in a dense plasma The fulfilment of sum rules for the loss function which is determined using differen. Rec.Contr.Phys. 2014;2014(4):57-62. Accessed July 14, 2026. https://bph.kaznu.kz/index.php/zhuzhu/article/view/55