1. Yu. I. Zhuravlev, “On an Algebraic Approach to the Solution of Recognition or Classification Problems,” Probl. Kibern. 33, 5–68 (1978).
2. K. V. Rudakov, “Universal and Local Constraints in Correction of Heuristic Classification Algorithms,” Kibernetika, No. 2, 30–35 (1987).
3. K. V. Rudakov, “Construction of Task-Oriented Theories Based on the Algebraic Approach to Pattern Recognition Problems,” Proceedings of Conference MMRO-10 (Moscow, 2001), pp. 113–115.