TY  - JOUR
AU  - A. M. Nurmatov
TI  - Necessary conditions for stability of characteristic Lyapunov exponents of linear differential systems in case of exponentially decreasing perturbations
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 335
EP  - 336
VL  - 25
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_2_a25/
LA  - ru
ID  - DE_1989_25_2_a25
ER  -