@incollection{askey:1990:gsf,
    author = {Askey, Richard},
     title = {Graphs as an Aid to Understanding Special Functions},
 booktitle = {Asymptotic and Computational Analysis},
    editor = {Wong, R.},
    series = {Lecture Notes in Pure and Appl. Math.},
    volume = {124},
     pages = {3–33},
 publisher = {Dekker},
   address = {New York},
      year = {1990},
   mrclass = {33-01},
  mrnumber = {MR1052427},
     zblno = {0694.33002}}