About WAGENKNECHT M
About Inst. Chem. Technology, Academy of Sciences, Berlin, DDR
About HARTMANN K
About Inst. Chem. Technology, Academy of Sciences, Berlin, DDR
About Fuzzy Sets and Systems
About fuzzy set
About fuzzy equation
About System and control theory in general
About 公差
About ファジィ
About 方程式
About 解