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Problems and SolutionsCharles W. Trigg, M. S. Klamkin, Alan Wayne, R. A. Struble, Norman Schaumberger, Erwin Just, Qazi Zameeruddin, Jack Garfunkel, Rod Cooper, Joseph A. Wehlen, J. A. H. Hunter, Martin Moore, C. F. Pinzka, Joseph Silverman, Stephen B. Maurer, Edward T. H. Wang, Michael Goldberg, G. E. Bergum, C. S. Venkataraman, James W. McHutchion, Roger D. H. Jones, Graham Lord, Daniel Shanks and Seymour Papert · Mathematics Magazine · 1975