@inproceedings{c.1966on,
title={On entire functions of exponential type and indicators of analytic functionals},
author={C. O. Kiselman},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203209725156019},
booktitle={Acta Mathematica},
volume={117},
number={1},
pages={1-35},
year={1966},
}

C. O. Kiselman. On entire functions of exponential type and indicators of analytic functionals. 1966. Vol. 117. In Acta Mathematica. pp.1-35. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203209725156019.