1. Gradient methods for minimizing functionals;Polyak;Zh. vȳchisl Mat. mat. Fiz.,1963
2. Constrained minimization methods;Levitin;Zh. vȳchisl Mat. mat. Fiz.,1966
3. On the structure of algorithms for the numerical solution of optimal planning and design problems;Shor,1964
4. Methods for solving non-linear extremal problems;Ermol'ev;Kibernetika,1966
5. A general method for solving extremal problems;Polyak;Dokl. Akad. Nauk SSSR.,1967