Problems for Solution: E1671-E1680

Autor: Duncan, D. C., Torchinelli, Guy, Oppenheim, Alexander, Nicol, C. A., Makowski, Andrzej, Van Rhijn, J. C., Potter, J. E., Hersh, Reuben, Lass, Harry, Struble, R. A.
Zdroj: The American Mathematical Monthly, 1964 Mar 01. 71(3), 316-317.
Databáze: JSTOR Journals