TY  - JOUR
AU  - D. G. Orlovskii
TI  - Fredholm solvability of inverse boundary value problems for second-order abstract differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1992
SP  - 687
EP  - 697
VL  - 28
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1992_28_4_a16/
LA  - ru
ID  - DE_1992_28_4_a16
ER  -