TY  - JOUR
AU  - A. A. Shkalikov
AU  - C. Trunk
TI  - On Stability of Closedness and Self-Adjointness for $2\times 2$ Operator Matrices
JO  - Matematičeskie zametki
PY  - 2016
SP  - 932
EP  - 938
VL  - 100
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2016_100_6_a14/
LA  - ru
ID  - MZM_2016_100_6_a14
ER  -