Infinitely many coexisting hidden attractors in a new hyperbolic-type memristor-based HNNIsaac Sami Doubla, Balamurali Ramakrishnan, Zeric Njitacke Tabekoueng, Jacques Kengne and Karthikeyan RajagopalEur. Phys. J. Spec. Top., (2022) 1-15DOI: https://doi.org/10.1140/epjs/s11734-021-00372-x