A Novel Chaotic System without Equilibrium: Dynamics, Synchronization, and Circuit Realization. - Ahmad Taher Azar; Christos K. Volos; Nikolaos A. Gerodimos; George S. Tombras; Viet-Thanh Pham; Ahmed G. Radwan; Sundarapandian Vaidyanathan; Adel Ouannas; Jesús M. Muñoz-Pacheco (Complex., 2017)