@book{jordan:1965:cfd,
    author = {Jordan, Charles},
     title = {Calculus of Finite Differences},
   edition = {3rd},
 publisher = {AMS Chelsea},
   address = {Providence, RI},
      year = {1965},
     pages = {xxi+655},
   mrclass = {39.10},
  mrnumber = {MR0183987 (32 \#1463)},
     zblno = {0154.33901}}