A new megastable chaotic oscillator with singularityZhen Wang, Hamid Reza Abdolmohammadi, Mingshu Chen, Agnieszka Chudzik, Sajad Jafari and Iqtadar HussainEur. Phys. J. Special Topics, 229 12-13 (2020) 2341-2348DOI: https://doi.org/10.1140/epjst/e2020-000003-6