![E2465by Robert Breusch; Leonard Carlitz; Michael Doob; J. E. Nyman; T. Salat; David Singmaster]()
E2465by Robert Breusch; Leonard Carlitz; Michael Doob; J. E. Nyman; T. Salat; David SingmasterReview by: Claude Anderson, Bridgewater Problem Solving Group, T. E. Elsner, G. A. Heuer, Dennis Jesperson, David Singmaster, Wolfe Snow, Dale Worley, Neal Felsinger, J. T. Gill, J. P. Lambert, L. E. Mattics, William Nuesslein, L. J. Dickson, O. P. Lossers and H. Sherwood · The American Mathematical Monthly · 1975