A Bolza optimal synthesis problem for singular estimate control systems Irena Lasiecka, Amjad Tuffaha (2009) Control and Cybernetics
A generalization of the quasiconvex optimization problem. Gutiérrez, J.M. (1997) Journal of Convex Analysis
A note on the characterization of the global maxima of a (tangentially) convex function over a convex set. Hiriart-Urruty, J.-B., Ledyaev, Yuri S. (1996) Journal of Convex Analysis
A unified optimality condition for eigenvalue problems Wen Bin Liu, Julio E. Rubio (1993) Kybernetika
A version of Zhong's coercivity result for a general class of nonsmooth functionals. Motreanu, D., Motreanu, V.V., Paşca, D. (2002) Abstract and Applied Analysis
Adjoint differential inclusions in necessary conditions for the minimal trajectories of differential inclusions H. Frankowska (1985) Annales de l'I.H.P. Analyse non linéaire