@book{milne-thomson:1933:cfd,
    author = {Milne-Thomson, L. M.},
     title = {The Calculus of Finite Differences},
 publisher = {Macmillan and Co. Ltd.},
   address = {London},
      year = {1933},
      note = {Reprinted in 1951 by Macmillan, and in 1981 by Chelsea Publishing Co., New York, and American Mathematical Society, AMS Chelsea Book Series, Providence, RI.},
     pages = {xxiii+558},
     zblno = {0008.01801}}