Autor:	Calabi, Eugenio, Wang, Chih-yi, Coffman, Raphael T., Court, N. A., Cron, B. F., Piza, P. A., Duncan, Dewey, Demir, Huseyin, Rajagopal, A. K., Trigg, C. W., Leifer, Herbert R., Rumney, M., Clawson, J. W., Edy, Maimouna, Dernham, Monte, Moser, William, Carlitz, L., Yearout, P. H., Breault, Dermott A., Wilson, Hazel Schoonmaker, Howell, J. M., Klamkin, M. S., Shirali, S. S.
Zdroj:	Mathematics Magazine, 1957 Jan 01. 30(3), 163-173.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3029319 Zobrazit plný text záznamu