@article{SchwarzAndraeArnoldetal.1999,
  author    = {W. H. Eugen Schwarz and Dirk Andrae and S. R. Arnold and Joachim Heidberg and H. Hellmann jr. and J. Hinze and A. Karachalios and M. A. Kovner and P. C. Schmidt and Lutz Z{\"u}licke},
  title     = {Hans G. Hellmann (1903 - 1938) : ein Pionier der Quantenchemie},
  year      = {1999},
}