Approximate symmetry memristive mega-stable oscillator with attractor growing and its Hamilton energy balanceBalamurali Ramakrishnan, Hayder Natiq, Karthikeyan Rajagopal, Sajad Jafari, Pascaline Liaken Ndukum and Gervais Dolvis LeutchoEur. Phys. J. Plus, 137 5 (2022) 596DOI: https://doi.org/10.1140/epjp/s13360-022-02779-4