Spiral wave chimeras for coupled oscillators with inertia Volodymyr Maistrenko, Oleksandr Sudakov and Yuri Maistrenko Eur. Phys. J. Special Topics, 229 12-13 (2020) 2327-2340 Published online: 28 September 2020 DOI: 10.1140/epjst/e2020-900279-x