A.A. Agrachev, G. Stefani, P. Zezza, A Hamiltonian approach to strong minima in optimal control

Title: A Hamiltonian approach to strong minima in optimal control
Authors: A.A. Agrachev, G. Stefani, P. Zezza
Journal title: Proc. Sympos. Pure Math.
Year: 1999
Volume: 64
Pages: 11–22