1. Numerical methods of optimization;Polak,1974
2. Optimal search for the extrema of unimodal functions;Chernous'ko;Zh. vȳchisl. Mat. mat. Fiz.,1970
3. The search for the minimum of a function with a bounded second derivative;Afanas'ev;Zh. vȳchisl. Mat. mat. Fiz.,1974
4. Mathematical theory of optimal processes;Pontryagin,1961