%0 Journal Article %A V. D. Ozrin %T High-frequency behavior of the dynamical susceptibilities of an electron gas %J Teoretičeskaâ i matematičeskaâ fizika %D 1975 %P 253-259 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1975_23_2_a9/ %G ru %F TMF_1975_23_2_a9