Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Michel Fliess, Jean Lévine, Philippe Martin, Pierre Rouchon. A Lie-Backlund approach to equivalence and flatness of nonlinear systems. IEEE Trans. Automat. Contr., 44(5):922-937, 1999. [doi]
Abstract is missing.