%0 Journal Article %A I. L. Nersesov %A V. S. Ponomarev %A Yu. M. Teitel'baum %T Variations of the activity of crust earthquakes in different layers of depth and the seismic forecast %J Doklady Akademii Nauk %D 1979 %P 1101-1102 %V 247 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_247_5_a17/ %G ru %F DAN_1979_247_5_a17