1. André, J., & Seibert, P. (1960). After end-point motions of general discontinuous control systems and their stability properties. In: Proceedings of first IFAC congress. IFAC, Moscow.
2. Differential equations with discontinuous righthand sides. Mathematics and its applications (Soviet series);Filippov,1988
3. Variable structure control: A survey;Hung;IEEE Transactions on Industrial Electronics,1993
4. A class of discontinuous dynamical systems II. An industrial slurry high density polyethylene reactor.;Moudgalya;Chemical Engineering Science,2001
5. Radhakrishnan, K., & Hindmarsh, A. (1993). Description and use of LSODE, the Livermore solver for ordinary differential equations. Reference Publication NASA RP-1327, NASA.