Magnitudes and Rational Numbers: A Didactical Analysis

Autor:	Steiner, Hans-Georg
Zdroj:	Educational Studies in Mathematics, 1969 Dec 01. 2(2/3), 371-392.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3482088 Zobrazit plný text záznamu Full text from SpringerLink