The article has been published:

@InProceedings{ Ho94b,
  Author = "Herbert H. H. Homeier",
  Year = 1994,
  Title = "Nonlinear convergence acceleration for orthogonal series",
  BookTitle = "Proceedings of the 6th Joint {EPS--APS} International Conference on 
Physics Computing, Physics Computing '94",
  Editor="Ralf Gruber and Marco Tomassini",
  Publisher="European Physical Society, Boite Postale 69, 
CH-1213 Petit-Lancy, Geneva, Switzerland",
  note="ISBN 2-88270-011-3",
  Pages = "47--50"
}