%0 Journal Article %A A. D. Chilingaryan %T Induction of planar defects in cholesteric liquid crystals %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2008 %P 143-146 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2008_1_a11/ %G ru %F UZERU_2008_1_a11