%0 Journal Article %A V. S. Zenkov %A I. I. Kalinnikov %A M. I. Nyunin %T Operative forecast of strong earthquakes %J Doklady Akademii Nauk %D 1980 %P 325-327 %V 254 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_254_2_a15/ %G ru %F DAN_1980_254_2_a15