%0 Journal Article %A V. N. Beloborodov %T A method for optimal estimation of earthquake coordinates %J Doklady Akademii Nauk %D 1990 %P 828-831 %V 313 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_313_4_a12/ %G ru %F DAN_1990_313_4_a12