4Anna Sfard,Liora Linchevski.The gains and the pitfalls of reification — The case of algebra[J].Educational Studies in Mathematics (-).1994(2-3) 被引量：1
5Anna Sfard.On the dual nature of mathematical conceptions: Reflections on processes and objects as different sides of the same coin[J].Educational Studies in Mathematics.1991(1) 被引量：1
6Sfard A.On the dual nature of mathematical conceptions: Reflections on processes and objects as different sides of the same coin[].Educational Studies.1991 被引量：1
7A. Sfard,L. Linchevski.The gains and the pitfalls of reification—the case of algebra[].Educational Studies.1994 被引量：1
