Autor:	Schaumberger, Norman, Azarian, Mohammad K., Doster, David, Smarandache, Florentin, D'Souza, Harry, Loase, John F., Ohlsen, Dave, Klamkin, Murray S., Blumberg, Walter, Wayne, Alan, Levine, Eugene, Durham, Keith, Teets, Donald, Anderson, Brian, Brunson, Barry, Noltie, Stephen, DeAlba, Luz M., Haik, Novshadian, Lau, Kee-Wai, Klein, Benjamin G., Mercier, Armel, Schwenk, Allen
Zdroj:	The College Mathematics Journal, 1990 May 01. 21(3), 246-254.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2686896 Zobrazit plný text záznamu