TY  - JOUR
AU  - F. S. Rofe-Beketov
AU  - A. M. Khol'kin
TI  - The connection between spectral and oscillatory properties of differential systems of arbitrary order
JO  - Doklady Akademii Nauk
PY  - 1981
SP  - 551
EP  - 555
VL  - 261
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1981_261_3_a8/
LA  - ru
ID  - DAN_1981_261_3_a8
ER  -