TY - JOUR AU - Tang, Yutao TI - Output consensus of nonlinear multi-agent systems with unknown control directions JO - Kybernetika PY - 2015 SP - 335 EP - 346 VL - 51 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14736/kyb-2015-2-0335/ DO - 10.14736/kyb-2015-2-0335 LA - en ID - 10_14736_kyb_2015_2_0335 ER -