TY  - JOUR
AU  - N. A. Izobov
TI  - Sharp bounds of characteristic exponents of two-dimensional linear systems with bounded perturbations
JO  - Differencialʹnye uravneniâ
PY  - 1982
SP  - 767
EP  - 772
VL  - 18
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1982_18_5_a5/
LA  - ru
ID  - DE_1982_18_5_a5
ER  -