Autor:	Demir, Huseyin, Bass, L., Vyborny, R., Thomee, V., Krier, Nicholas K., Bernhart, Frank R., Nevai, Paul G., Edgar, G. A., Laforgia, Andrea, Rabinowitz, Stanley, Eggleton, R. B., Wallis, W. D., Metzger, Jerry, Luthar, R. S., Tiberio, Ronald S., Dou, Jordi, Mascioni, Vania D., Parris, Richard, Shor, Peter, Naigles, Mark, Bernhardt, Robert L., Linders, J. C.
Zdroj:	Mathematics Magazine, 1985 Mar 01. 58(2), 111-117.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2689902 Zobrazit plný text záznamu