%0 Journal Article %A A. F. Lubchenko %A Nguyen Khan Nyap %T Anharmonic effects in the dispersion of the permittivity tensor of solid solutions %J Teoretičeskaâ i matematičeskaâ fizika %D 1974 %P 390-399 %V 19 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1974_19_3_a9/ %G ru %F TMF_1974_19_3_a9