%0 Journal Article %A K. Baddari %A G. A. Sobolev %A A. D. Frolov %T Complex forerunners of the destruction of large rock blocks %J Doklady Akademii Nauk %D 1988 %P 1087-1091 %V 299 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1988_299_5_a15/ %G ru %F DAN_1988_299_5_a15