TY  - JOUR
AU  - E. P. Volokitin
AU  - S. A. Treskov
TI  - On the behavior of Lyapunov quantities of a complex focus for systems that are close to a system with a nilpotent linear part
JO  - Differencialʹnye uravneniâ
PY  - 1995
SP  - 1759
EP  - 1761
VL  - 31
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1995_31_10_a21/
LA  - ru
ID  - DE_1995_31_10_a21
ER  -