%0 Journal Article %T Scientific research seminar of the department of elasticity (sessions of the %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1982 %P 81-83 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1982_4_a20/ %G ru %F VMUMM_1982_4_a20