1. Structure;D. V. Alekseevskii,1984
2. V. N. Beloozerov, I. B. Gurevich, and Yu. O. Trusova, “Representation of the ontology of an image analysis domain for optimization of information retrieval,” Pattern Recognit. Image Anal. 15 (2), 358–360 (2005).
3. Formal system;A. G. Dragalin,1984
4. U. Grenander and M. Miller, Pattern Theory: From Representation to Inference (Oxford Univ. Press, New York, 2007).
5. I. B. Gurevich, “Image analysis on the base of reversing algebraic closure technique,” in The Problems of Artificial Intelligence and Pattern Recognition: Proceedings of Scientific Conference with Participation of Scientists from Socialistic Countries (Kiev, May 13–18,
1984). Section 2. Pattern Recognition (Kiev, 1984), pp. 41–43.