@incollection{butzer:1994:efc,
    author = {Butzer, Paul L. and Flocke, Stefan and Hauss, Michael},
    editor = {Anastassiou, G. and Rachev, S. T.},
     title = {{E}uler functions ${E}_\alpha(z)$ with complex $\alpha$ and
              applications},
 booktitle = {Approximation, probability, and related fields (Santa Barbara,
              CA, 1993)},
     pages = {127–150},
 publisher = {Plenum Press},
   address = {New York},
      year = {1994},
   mrclass = {33E20 (05A10)},
  mrnumber = {MR1309263 (96b:33013)},
mrreviewer = {R. N. Kalia},
     zblno = {0849.11021}}