%0 Journal Article %A L. Tepoyan %T Nonselfadjoint degenerate differential equations of higher order %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2014 %P 24-29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2014_2_a2/ %G en %F UZERU_2014_2_a2