Escape of Brownian particles in an asymmetric bistable sawtooth potential driven by cross-correlated noisesC. W. Xie, D. C. Mei, L. Cao and D. J. WuEur. Phys. J. B, 33 1 (2003) 83-86DOI: https://doi.org/10.1140/epjb/e2003-00144-1