%0 Journal Article %A V. I. Ulomov %A B. Z. Mavashev %T A precursor of a strong tectonic earthquake %J Doklady Akademii Nauk %D 1967 %P 319-321 %V 176 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_176_2_a19/ %G ru %F DAN_1967_176_2_a19