TY  - JOUR
AU  - S. G. Kryzhevich
TI  - A Criterion for Conditional Instability by the First Approximation for Solutions of Differential Systems
JO  - Differencialʹnye uravneniâ
PY  - 2005
SP  - 1605
EP  - 1614
VL  - 41
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_2005_41_12_a3/
LA  - ru
ID  - DE_2005_41_12_a3
ER  -