Coupled inductors-based chaotic Colpitts oscillators: Mathematical modeling and synchronization issues V. Kamdoum Tamba, H. B. Fotsin, J. Kengne, F. Kapche Tagne and P. K. Talla Eur. Phys. J. Plus, 130 7 (2015) 137 Published online: 21 July 2015 DOI: 10.1140/epjp/i2015-15137-x