%0 Journal Article %A L. P. Isupov %T Loading and unloading conditions for a plastic composite material %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1988 %P 36-40 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1988_5_a7/ %G ru %F VMUMM_1988_5_a7