1. Nonlinear programming: sequential unconstrained minimization techniques;Fiacco,1968
2. Constrained minimization methods;Levitin;Zh. vȳchisl. Mat. mat. Fiz.,1966
3. The method of “penalties” in convex programming;Eremin;Dokl. Akad. Nauk SSSR,1967
4. Elements of functional analysis;Lyusternik,1965
5. Iteration methods using Lagrange multipliers, for the solution of extremal problems with constraints of the equality type;Polyak;Zh. vȳchisl. Mat. mat. Fiz.,1970