%0 Journal Article %A A. G. Megrabov %T On the determination of a set of point sources %J Doklady Akademii Nauk %D 1978 %P 1303-1306 %V 242 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_242_6_a17/ %G ru %F DAN_1978_242_6_a17