@incollection{frieden:1971:ede,
    author = {Frieden, B. R.},
     title = {Evaluation, design and extrapolation methods for
              optical signals, based on use of the prolate functions},
 booktitle = {Progress in Optics},
    volume = {9},
     pages = {311–407},
      year = {1971},
    editor = {Wolf, E.},
   address = {Amsterdam},
 publisher = {North-Holland}}