@article{paperid:1068676,
author = {Effati, Sohrab and Saberi Nik, Hassan and A. Jajarmi},
title = {Hyperchaos control of the hyperchaotic Chen system by optimal control design},
journal = {Nonlinear Dynamics},
year = {2013},
volume = {73},
number = {1},
month = {July},
issn = {0924-090X},
pages = {499--508},
			numpages = {9},
keywords = {Optimal control; Hyperchaotic Chensystem; Lyapunov function; Pontryagin’s minimumprinciple; Piecewise-spectral homotopy analysis method},
}