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Problem DepartmentPaul D. Thomas, Earl V. Greer, N. A. Court, V. Thebault, LeRoy Pietsch, A. Sisk, Nev. R. Mind, Joseph S. Guerin, M. S. Robertson, E. P. Starke, H. J. Zimmerberg, Howard D. Grossman, P. T. Thomas, Howard D. Grossman, Walter B. Clarke and Howard Eves · National Mathematics Magazine · 1944