TY  - JOUR
AU  - L. Ya. Adrianova
TI  - The structure of the Persidski{\v\i} spectrum of a second-order linear system
JO  - Differencialʹnye uravneniâ
PY  - 1983
SP  - 2027
EP  - 2031
VL  - 19
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1983_19_12_a0/
LA  - ru
ID  - DE_1983_19_12_a0
ER  -