TY  - JOUR
AU  - Kh. Yu. Kurdanov
TI  - A new proof of the instability of the characteristic exponents of a certain regular system
JO  - Differencialʹnye uravneniâ
PY  - 1968
SP  - 551
EP  - 552
VL  - 4
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1968_4_3_a17/
LA  - ru
ID  - DE_1968_4_3_a17
ER  -