%0 Journal Article %A L. S. Aslanyan %T Surface electromagnetic waves in two level atoms system %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1999 %P 42-46 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1999_2_a6/ %G ru %F UZERU_1999_2_a6