TY  - JOUR
AU  - Ya. Z. Tsypkin
TI  - Circular criteria for robust stability of nonlinear discrete
JO  - Doklady Akademii Nauk
PY  - 1992
SP  - 656
EP  - 661
VL  - 322
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1992_322_4_a5/
LA  - ru
ID  - DAN_1992_322_4_a5
ER  -