TY  - JOUR
AU  - D. M. Polyakov
TI  - On the Spectral Characteristics of Non-Self-Adjoint Fourth-Order Operators with Matrix Coefficients
JO  - Matematičeskie zametki
PY  - 2019
SP  - 637
EP  - 642
VL  - 105
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2019_105_4_a13/
LA  - ru
ID  - MZM_2019_105_4_a13
ER  -