Elementary Problems: E3213-E3218

Autor: Bloom, D. M., Zhang, Guo Qiang, Cseh, Laszlo, Merenyi, Imre, Froemke, Jon, Grossman, Jerrold W., Pfiefer, Richard E., Egerland, W. O.
Zdroj: The American Mathematical Monthly, 1987 Jun 01. 94(6), 548-549.
Databáze: JSTOR Journals