TY  - JOUR
AU  - B. F. Bylov
AU  - N. A. Izobov
TI  - Necessary and sufficient conditions for the stability of the characteristic exponents of a diagonal system
JO  - Differencialʹnye uravneniâ
PY  - 1969
SP  - 1785
EP  - 1793
VL  - 5
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1969_5_10_a3/
LA  - ru
ID  - DE_1969_5_10_a3
ER  -