A. A. Agrachev, G. Stefani, P. Zezza, Symplectic methods for strong local optimality in the bang-bang case

Title: Symplectic methods for strong local optimality in the bang-bang case
Authors: A. A. Agrachev, G. Stefani, P. Zezza
Journal title: Contemporary trends in nonlinear geometric control theory and its applications
Year: 2000
Pages: 169–181