%0 Journal Article %A A. V. Vvedenskaya %T Development of foci and the forecast of the repeated strongest earthquakes %J Doklady Akademii Nauk %D 1981 %P 59-62 %V 261 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_261_1_a14/ %G ru %F DAN_1981_261_1_a14