Interpretation of the hypothesis in terms of the figure

Autor:	Lankford, Francis G., Garstens, Helen L.
Zdroj:	The Mathematics Teacher, 1956 Nov 01. 49(7), 562-564.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/27955275 Zobrazit plný text záznamu