TY  - JOUR
AU  - N. D. Pokrovskaya
TI  - Forced periodic regimes in control systems with regularization by
JO  - Doklady Akademii Nauk
PY  - 1990
SP  - 21
EP  - 24
VL  - 313
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1990_313_1_a3/
LA  - ru
ID  - DAN_1990_313_1_a3
ER  -