Complex behaviors in a new 4D memristive hyperchaotic system without equilibrium and its microcontroller-based implementationPaul Didier Kamdem Kuate, Qiang Lai and Hilaire FotsinEur. Phys. J. Special Topics, 228 10 (2019) 2171-2184DOI: https://doi.org/10.1140/epjst/e2019-900032-5