@book{bowman:1958:ibf,
    author = {Bowman, Frank},
     title = {Introduction to {B}essel Functions},
 publisher = {Dover Publications Inc.},
   address = {New York},
      year = {1958},
     pages = {x+135},
   mrclass = {33.00},
  mrnumber = {MR0097539 (20 \#4007)},
      note = {Unaltered republication of the 1938 edition, published by Longmans,
              Green and Co., London-New York.},
     zblno = {0083.05602}}