Synchronization in arrays of coupled self-induced friction oscillators Michał Marszal, Ashesh Saha, Krzysztof Jankowski and Andrzej Stefański Eur. Phys. J. Special Topics, 225 13-14 (2016) 2669-2678 Published online: 22 November 2016 DOI: 10.1140/epjst/e2016-60007-1