Autor:	Schaumberger, Norman, Flanigan, Francis J., Acu, Dumitru, Bivens, Irl C., Hurwitz, R. Baniel, Rabinowitz, Stanley, Pfiefer, Richard E., Riazi-Kermani, M., Azarian, Mohammed K., Sumner, John S., Shafer, Robert E., Kho, Yang Thong, Ford, Kevin, Vaughan, David, Levine, Eugene
Zdroj:	The College Mathematics Journal, 1991 Mar 01. 22(2), 167-172.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2686458 Zobrazit plný text záznamu