Memristive non-linear system and hidden attractor P. Saha, D.C. Saha, A. Ray and A.R. Chowdhury Eur. Phys. J. Special Topics, 224 8 (2015) 1563-1574 Published online: 27 July 2015 DOI: 10.1140/epjst/e2015-02480-1