TY  - JOUR
AU  - E. A. Barabanov
TI  - The highest $\sigma $-exponent of linear differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 197
EP  - 207
VL  - 20
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_2_a1/
LA  - ru
ID  - DE_1984_20_2_a1
ER  -