TY  - JOUR
AU  - V. A. Sadovnichii
TI  - Uniqueness of the solution to the inverse problem in the case of a second-order equation with indecomposable boundary conditions. Regularized sums of some of the eigenvalues. Factorization of the characteristic determinant
JO  - Doklady Akademii Nauk
PY  - 1972
SP  - 293
EP  - 296
VL  - 206
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1972_206_2_a8/
LA  - ru
ID  - DAN_1972_206_2_a8
ER  -