Hamiltonian trajectories and saddle points in mathematical economics R. Rockafellar — 2009 Control and Cybernetics
Maximal monotone relations and the second derivatives of nonsmooth functions R. T. Rockafellar — 1985 Annales de l'I.H.P. Analyse non linéaire
Proto-differentiability of set-valued mappings and its applications in optimization R. T. Rockafellar — 1989 Annales de l'I.H.P. Analyse non linéaire