TY  - JOUR
AU  - A. L. Fradkov
AU  - V. A. Yakubovich
TI  - Necessary and sufficient conditions for absolute stability in classes of systems with two integral quadratic relations
JO  - Doklady Akademii Nauk
PY  - 1973
SP  - 798
EP  - 801
VL  - 213
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1973_213_4_a12/
LA  - ru
ID  - DAN_1973_213_4_a12
ER  -