%0 Journal Article %A L. A. Atoian %T The composite beam optimization under the action of dynamic load %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1989 %P 33-36 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1989_3_a5/ %G ru %F UZERU_1989_3_a5