Elementary Problems: E3219-E3224

Autor: Rawsthorne, Daniel, Kronheimer, Erwin, Batnik, P. A., Lupas, Alexandru, Eberlein, William F., Reznick, Bruce, Todd, John
Zdroj: The American Mathematical Monthly, 1987 Aug 01. 94(7), 680-681.
Databáze: JSTOR Journals