An isomorphism between linear recurring sequences and algebraic rings
Marshall Hall · Transactions of the American Mathematical Society · 1938
For the early bibliography see Dickson's History of the Theory of Numbers.X Numbers in square brackets refer to the bibliography at the end of this paper.§ Engstrom [3] and Ward [ll], [12].|| Lucas [7], Lehmer [6], Hall [4], Ward [14], * The notation and terminology of this paper are in agreement with Ward [l 1 ] for the most part.I use "period" following Engstrom rather than Ward's "characteristic number."