A novel chaotic system without equilibrium: Dynamics, synchronization, and circuit realization 2017Azar A.T.Gerodimos N.A.JournalMunoz-Pacheco J.M.Ouannas A.Pham V.-T.Radwan A.G.Tombras G.S.Vaidyanathan S.Volos C. A few special chaotic systems without unstable equilibrium points have been investigated recently
