TY  - JOUR
AU  - F. G. Avkhadiev
TI  - Metrics with variable density, and inverse boundary value problems
JO  - Trudy seminara po kraevym zadačam
PY  - 1990
SP  - 3
EP  - 23
VL  - 25
IS  - 25
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KUKZ_1990_25_25_a0/
LA  - ru
ID  - KUKZ_1990_25_25_a0
ER  -