![Problem Department]()
Problem DepartmentNelson Robinson, E. P. Starke, M. S. Robertson, C. N. Mills, Paul D. Thomas, Ray Hassler, Alice M. H'Doubler, Robert V. Sweeney, N. A. Court, Clarence M. Ablow, James F. Callicott, W. V. Parker, V. Thebault, Howard D. Grossman and D. L. MacKay · National Mathematics Magazine · 1942