TY  - JOUR
AU  - A. V. Savkin
TI  - Frequency criteria for the stability and instability of linear periodic systems
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 1332
EP  - 1339
VL  - 25
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_8_a5/
LA  - ru
ID  - DE_1989_25_8_a5
ER  -