Jian, Dongmei The evolution of the concept of functions and the teaching of functions. (Chinese. English summary) Zbl 1097.00513 J. Sichuan Norm. Univ., Nat. Sci. 27, No. 3, 313-315 (2004). MSC: 00A35 Methodology of mathematics 97D40 Mathematics teaching methods and classroom techniques PDFBibTeX XMLCite \textit{D. Jian}, J. Sichuan Norm. Univ., Nat. Sci. 27, No. 3, 313--315 (2004; Zbl 1097.00513)