1. Axiomatic Set Theory;Bernays,1958
2. Fuzzy Sets and Systems;Dubois,1980
3. Foundations of Set Theory;Fraenkel,1973
4. A recognizing neural network: Modulo system, for extracting and syntactically processing of the important properties of patterns;Fuhrmann,1982
5. Interdisciplinary approach to the brain's pattern recognition;Fuhrmann;Cybernetics,1985