TY - RPRT TI - Active synchronization in nonhyperbolic hyperchaotic systems. AU - Elbert E N Macau AU - Celso Grebogi AU - Ying-Cheng Lai PY - 2002 DO - 10.1103/physreve.65.027202 UR - https://pubmed.ncbi.nlm.nih.gov/11863697/ ID - 11863697 ER -