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Elementary Problems: E2689-E2694
L.-S. Hahn, Anthony J. Quinzi, Živojin M. Mijalković , J. B. Keller, Donald R. Woods, Alexandru Lupaş and I. J. SchoenbergVolume:
85
Language:
english
Journal:
The American Mathematical Monthly
DOI:
10.2307/2978051
Date:
April, 1978
File:
PDF, 289 KB
english, 1978