A. Gasri, A. Ouannas, K. S. S. Ojo, and V.-T. Pham, “Coexistence of generalized synchronization and inverse generalized synchronization between chaotic and hyperchaotic systems”, NAMC, vol. 23, no. 4, pp. 583–598, Aug. 2018, doi: 10.15388/NA.2018.4.8.