G. Chesi, Domain of Attraction: Analysis and Control via SOS Programming, Lecture Notes in Control and Information Sciences, vol.415, 2011.

G. Chesi, SMRSOFT: a matlab toolbox for optimization over polynomials and dynamical systems study via sos programming, 2011.

T. Hu, R. Goebel, A. R. Teel, and Z. Lin, Conjugate Lyapunov functions for saturated linear systems, Automatica, vol.41, issue.11, pp.1949-1956, 2005.