TY  - JOUR
AU  - M. I. Lapachugina
AU  - G. A. Leonov
TI  - A frequency criterion for instability in the large of nonlinear dynamical systems
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 1451
EP  - 1453
VL  - 25
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_8_a25/
LA  - ru
ID  - DE_1989_25_8_a25
ER  -