TY  - JOUR
AU  - R. P. Ivanov
TI  - On Viable Solutions of Feedback Controlled System
JO  - Mathematica balkanica
PY  - 1991
SP  - 177
VL  - 5
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MABA_1991_5_3_a0/
ID  - MABA_1991_5_3_a0
ER  -