![Elementary Problems: E1855-E1864]()
Elementary Problems: E1855-E1864Young, L. M.; Williams, S. W.; Rosencrans, Steven; Potter, James; Dickson, S. E.; Hallman, Judith H.; Thorp, Edward; Richman, Fred; Curry, T. R.; Fried, Michael; Albert, R. G.; Mikhel, R. E. · The American Mathematical Monthly · 1966