%0 Journal Article %A V. P. Koryavov %T Some ideas on the crack zone and the crack front %J Doklady Akademii Nauk %D 1962 %P 1266-1268 %V 144 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_144_6_a16/ %G ru %F DAN_1962_144_6_a16