%0 Journal Article %T Scientific research seminar of Composites Mechanics Section (Sessions of the fall %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1990 %P 87-88 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1990_6_a24/ %G ru %F VMUMM_1990_6_a24