Elementary Problems: E2914-E2919

Autor: Lyness, R. C., Alex, Leo J., Sivaramakrishnan, R., Luttman, F. W., Dou, Jordi, Johnston, Elgin
Zdroj: The American Mathematical Monthly, 1981 Dec 01. 88(10), 762-764.
Databáze: JSTOR Journals