TY  - JOUR
AU  - M. S. Denisov
TI  - Spectral Points of Type~$\pi_+$ and~$\pi_-$ of Operator-Valued Functions Taking Values in the Set of Unbounded Operators
JO  - Matematičeskie zametki
PY  - 2016
SP  - 469
EP  - 472
VL  - 100
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2016_100_3_a15/
LA  - ru
ID  - MZM_2016_100_3_a15
ER  -