1. Yu. I. Zhuravlev, “Extremal problems occurring in giving a foundation to heuristic procedures,” in: Problems of Applied Mathematics and Mechanics [in Russian], Nauka, Moscow (1971).
2. Yu. I. Zhuravlev, “Extremal algorithms in mathematical models for recognition and classification problems,” Dokl. Akad. Nauk SSSR,231, No. 3 (1976).
3. M. A. Aizerman, É. M. Broverman, and L. I. Rozenoér, Potential Functions Method in the Theory of Teaching Macheines [in Russian], Nauka, Moscow (1970).
4. V. N. Vapnik and A. Ya. Chervonenkis, Theory of Pattern Recognition [in Russian], Nauka, Moscow (1974).
5. Yu. I. Zhuravlev and V. V. Nikiforov, “Recognition algorithms based on the calculation of estimates,” Kibernetika, No. 3 (1971). 1971).