TY  - JOUR
AU  - P. I. Balk
TI  - On the problems of uniqueness and equivalence in the three-dimensional inverse problem of gravitational potential
JO  - Doklady Akademii Nauk
PY  - 1977
SP  - 48
EP  - 51
VL  - 237
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1977_237_1_a11/
LA  - ru
ID  - DAN_1977_237_1_a11
ER  -