TY - JOUR AU - Zhang, Lan AU - Zhang, Chengjian TI - Hopf bifurcation analysis of some hyperchaotic systems with time-delay controllers JO - Kybernetika PY - 2008 SP - 35 EP - 42 VL - 44 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_2008__44_1_a2/ LA - en ID - KYB_2008__44_1_a2 ER -