TY  - JOUR
AU  - G. M. Ulanov
TI  - Invariance up to~$\varepsilon$ in linear combined automatically controlled systems
JO  - Doklady Akademii Nauk
PY  - 1957
SP  - 253
EP  - 256
VL  - 112
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1957_112_2_a19/
LA  - ru
ID  - DAN_1957_112_2_a19
ER  -