%0 Journal Article
%A P. I. Balk
%T On the problems of uniqueness and equivalence in the three-dimensional inverse problem of gravitational potential
%J Doklady Akademii Nauk
%D 1977
%P 48-51
%V 237
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1977_237_1_a11/
%G ru
%F DAN_1977_237_1_a11