Using chaos synchronization to estimate the largest Lyapunov exponent of nonsmooth systems. Stefanski, Andrzej; Kapitaniak, Tomasz — 2000 Discrete Dynamics in Nature and Society
Blowout bifurcation of chaotic saddles. Kapitaniak, Tomasz; Lai, Ying-Cheng; Grebogi, Celso — 1999 Discrete Dynamics in Nature and Society