Autor:	Trigg, Charles W., Klamkin, M. S., Wayne, Alan, Struble, R. A., Schaumberger, Norman, Just, Erwin, Zameeruddin, Qazi, Garfunkel, Jack, Cooper, Rod, Wehlen, Joseph A., Hunter, J. A. H., Moore, Martin, Pinzka, C. F., Silverman, Joseph, Maurer, Stephen B., Goldberg, Michael, Bergum, G. E., Venkataraman, C. S., McHutchion, James W., Lord, Graham, Shanks, Daniel, Papert, Seymour
Zdroj:	Mathematics Magazine, 1975 Mar 01. 48(2), 115-122.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2689839 Zobrazit plný text záznamu