Autor:	Schaumberger, Norman, Plett, Stephen, Ling, Gao, Li, Weixuan, Demir, Huseyin, Klamkin, M. S., Young, Robert L., Vowe, Michael, Luthar, R. S., Suck, J., Utz, W. R., Cook, F. Lee, Wiener, Joseph, Chang, Gengzhe, Clay, Karen, Glickman, Leslie V., Brozinsky, Michael, Hota, Sanjukta, Williams, Kathy
Zdroj:	The College Mathematics Journal, 1985 Jun 01. 16(3), 223-231.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2686578 Zobrazit plný text záznamu