Noise-sustained synchronization in a FitzHugh-Nagumo ring with electrical phase-repulsive couplingMatías G. dell’Erba, Guadalupe Cascallares, Alejandro D. Sánchez and Gonzalo G. IzúsEur. Phys. J. B, 87 4 (2014) 82DOI: https://doi.org/10.1140/epjb/e2014-41029-2