%0 Journal Article %A H. A. Mamikonyan %T Attractors of semigroups generated by an equation of Sobolev type %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2008 %P 18-23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2008_1_a2/ %G ru %F UZERU_2008_1_a2