%0 Journal Article %A S. L. Yunga %T On the representation of focal mechanisms of earthquakes on a stress sphere %J Doklady Akademii Nauk %D 1984 %P 585-589 %V 277 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1984_277_3_a18/ %G ru %F DAN_1984_277_3_a18