%0 Journal Article %A A. N. Guz %A Yu. V. Kokhanenko %T Brittle distinction of composite materials under border crumple. A piecewise-homogeneous medium model %J Doklady Akademii Nauk %D 1987 %P 805-808 %V 296 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_296_4_a7/ %G ru %F DAN_1987_296_4_a7