Autor:	Bracken, Paul, Tong, Zengxiang, Nelsen, Roger B., Johnson, Pete, Leach, Dave, Lee, Ho-joo, Sastry, K. R. S., Sedinger, Harry, Schmidt, Frank, Donini, Daniele, Shan, Zun, Patenaude, Robert, Mombelli, Juan Martin, McDougal, Kevin, Muthuvel, Kandasamy, Zimmerman, Seth, Beran, David
Zdroj:	The College Mathematics Journal, 1999 Sep 01. 30(4), 318-323.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2687675 Zobrazit plný text záznamu