The probability density function of interspike intervals in an FHN model with α-stable noise Zhanqing Wang, Yong Xu, Yongge Li and Jürgen Kurths Eur. Phys. J. Plus, 136 3 (2021) 299 Published online: 07 March 2021 DOI: 10.1140/epjp/s13360-021-01245-x