Milne-Thomson L.M. The Calculus of Finite Differences

Macmillan and Co., 1933. — 590 p.From the Preface: The object of this book is to provide a simple and connected account of the subject of Finite Differences and to present the theory in a form which can be readily applied...not only the useful material of Boole...but also the more modern developments of the finite calculus...The book is suitable for a first course as well as for more advanced reading...Operational and symbolic methods have been freely used throughout the book.