%0 Journal Article %A A. L. Aslanyan %T The diffusion model for thick diffraction gratings recorded in polymer dispersed lyquid crystals %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2008 %P 64-67 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2008_1_a9/ %G ru %F UZERU_2008_1_a9