%0 Journal Article %A E. A. Sagomonyan %T The problem of punching of an obstacle by an elasto-plastic bullet %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1985 %P 52-56 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1985_3_a11/ %G ru %F VMUMM_1985_3_a11