Elementary Problems: E3153-E3158

Autor: Cseh, Laszlo, Merenyi, Imre, Tsintsifas, George A., Bennett, Gene, Glenn, John, Kimberling, Clark, Robinson, Raphael M., Nicolaescu, Liviu I., Schoenberg, I. J.
Zdroj: The American Mathematical Monthly, 1986 Jun 01. 93(6), 481-482.
Databáze: JSTOR Journals