1. Aronna, M.S., Bonnans, J.F., Dmitruk, A.V., Lotito, P.A.: Quadratic order conditions for bang-singular extremals. Numer. Algebra Control Optim. 2, 511–546 (2012)
2. Aubin, J.-P., Frankowska, H.: Set-Valued Analysis. Birkhäuser, Boston (1990)
3. Bonnans, J.F., Osmolovskii, N.P.: Second-order analysis of optimal control problems with control and initial-final state constraints. J. Convex Anal. 17, 885–913 (2010)
4. Cesari, L.: Optimization, Theory and Applications. Springer, Berlin (1983)
5. Dubovitskii, A.Ya., Milyutin, A.A.: Problems for extremum under constraints. Zh. Vychislit. Mat. i Mat. Fiz. 5, 395-453 (1965)