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Elementary Problems: E2172-E2177
S. I. Drobnies, Emanuel Vegh, Klaus Steffen, Harry Pollard, R. S. Luthar and P. M. GibsonVolume:
76
Language:
english
Journal:
The American Mathematical Monthly
DOI:
10.2307/2316977
Date:
May, 1969
File:
PDF, 315 KB
english, 1969