%0 Journal Article %A V. R. Barseghyan %T On the optimal control of membranes vibrations under fixed intermediate states %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1998 %P 24-29 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1998_1_a3/ %G ru %F UZERU_1998_1_a3