%0 Journal Article %A H. M. Movsessian %A H. Sh. Pеtrossian %T Differential reflection spectra of cadmium selenide crystals doped with copper %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1998 %P 47-49 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1998_1_a6/ %G ru %F UZERU_1998_1_a6