TY  - JOUR
AU  - I. M. Burkin
TI  - A test for the absolute stability of oscillations in control systems with a nonstationary linear part
JO  - Differencialʹnye uravneniâ
PY  - 1977
SP  - 735
EP  - 737
VL  - 13
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1977_13_4_a17/
LA  - ru
ID  - DE_1977_13_4_a17
ER  -