TY  - JOUR
AU  - T. Ya. Azizov
TI  - Invariant subspaces and completeness criteria for the root vector system of $J$-dissipative operators in the Pontrjagin space $\Pi_\kappa$
JO  - Doklady Akademii Nauk
PY  - 1971
SP  - 1015
EP  - 1017
VL  - 200
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1971_200_5_a0/
LA  - ru
ID  - DAN_1971_200_5_a0
ER  -