Time varying feedback control on multi-stability in hidden attractor Amit Sharma, Kiran Yadav, Manish Dev Shrimali, Awdhesh Prasad and Nikolay V. Kuznetsov Eur. Phys. J. Special Topics, 229 6-7 (2020) 1245-1255 Published online: 26 March 2020 DOI: 10.1140/epjst/e2020-900167-1